Home / 18,536.46-25,586.56-11,268.54

Finding the Fourth Proportional to 18,536.46, 25,586.56 and 11,268.54

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Solution

The fourth proportional to 18,536.46, 25,586.56 and 11,268.54 is: 15,554.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536.46 : 25,586.56 = 11,268.54 : x
  2. Step 2: Convert to fraction form
    18,536.46/25,586.56 = 11,268.54/x
  3. Step 3: Cross multiply
    18,536.46x = 25,586.56 × 11,268.54
  4. Step 4: Simplify right side
    18,536.46x = 288,323,174.82
  5. Step 5: Solve for x
    x = 288,323,174.82/18,536.46
  6. Step 6: Final answer
    x = 15,554.38

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Find fourth proportional to 9,268.23, 12,793.28 and 5,634.27
Half scale
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Double scale
Find fourth proportional to 18,537.46, 25,587.94 and 11,269.54
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.