Home / 13,810.38-20,725.29-7,233.18

Finding the Fourth Proportional to 13,810.38, 20,725.29 and 7,233.18

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Solution

The fourth proportional to 13,810.38, 20,725.29 and 7,233.18 is: 10,854.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810.38 : 20,725.29 = 7,233.18 : x
  2. Step 2: Convert to fraction form
    13,810.38/20,725.29 = 7,233.18/x
  3. Step 3: Cross multiply
    13,810.38x = 20,725.29 × 7,233.18
  4. Step 4: Simplify right side
    13,810.38x = 149,909,753.12
  5. Step 5: Solve for x
    x = 149,909,753.12/13,810.38
  6. Step 6: Final answer
    x = 10,854.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.