Home / 26,149.28-36,089.07-15,538.91

Finding the Fourth Proportional to 26,149.28, 36,089.07 and 15,538.91

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Solution

The fourth proportional to 26,149.28, 36,089.07 and 15,538.91 is: 21,445.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,149.28 : 36,089.07 = 15,538.91 : x
  2. Step 2: Convert to fraction form
    26,149.28/36,089.07 = 15,538.91/x
  3. Step 3: Cross multiply
    26,149.28x = 36,089.07 × 15,538.91
  4. Step 4: Simplify right side
    26,149.28x = 560,784,810.71
  5. Step 5: Solve for x
    x = 560,784,810.71/26,149.28
  6. Step 6: Final answer
    x = 21,445.52

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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.