Home / 15,169.28-20,926.46-9,862.16

Finding the Fourth Proportional to 15,169.28, 20,926.46 and 9,862.16

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Solution

The fourth proportional to 15,169.28, 20,926.46 and 9,862.16 is: 13,605.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,169.28 : 20,926.46 = 9,862.16 : x
  2. Step 2: Convert to fraction form
    15,169.28/20,926.46 = 9,862.16/x
  3. Step 3: Cross multiply
    15,169.28x = 20,926.46 × 9,862.16
  4. Step 4: Simplify right side
    15,169.28x = 206,380,096.75
  5. Step 5: Solve for x
    x = 206,380,096.75/15,169.28
  6. Step 6: Final answer
    x = 13,605.13

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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.