Home / 19,285.48-26,611.14-11,330.28

Finding the Fourth Proportional to 19,285.48, 26,611.14 and 11,330.28

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Solution

The fourth proportional to 19,285.48, 26,611.14 and 11,330.28 is: 15,634.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285.48 : 26,611.14 = 11,330.28 : x
  2. Step 2: Convert to fraction form
    19,285.48/26,611.14 = 11,330.28/x
  3. Step 3: Cross multiply
    19,285.48x = 26,611.14 × 11,330.28
  4. Step 4: Simplify right side
    19,285.48x = 301,511,667.32
  5. Step 5: Solve for x
    x = 301,511,667.32/19,285.48
  6. Step 6: Final answer
    x = 15,634.13

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Double scale
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Similar ratio
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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.