Home / 18,810.08-25,958.20-11,256.73

Finding the Fourth Proportional to 18,810.08, 25,958.20 and 11,256.73

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Solution

The fourth proportional to 18,810.08, 25,958.20 and 11,256.73 is: 15,534.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,810.08 : 25,958.20 = 11,256.73 : x
  2. Step 2: Convert to fraction form
    18,810.08/25,958.20 = 11,256.73/x
  3. Step 3: Cross multiply
    18,810.08x = 25,958.20 × 11,256.73
  4. Step 4: Simplify right side
    18,810.08x = 292,204,318.90
  5. Step 5: Solve for x
    x = 292,204,318.90/18,810.08
  6. Step 6: Final answer
    x = 15,534.46

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Double scale
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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.