Home / 26,489.17-36,557.10-15,162.21

Finding the Fourth Proportional to 26,489.17, 36,557.10 and 15,162.21

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Solution

The fourth proportional to 26,489.17, 36,557.10 and 15,162.21 is: 20,925.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,489.17 : 36,557.10 = 15,162.21 : x
  2. Step 2: Convert to fraction form
    26,489.17/36,557.10 = 15,162.21/x
  3. Step 3: Cross multiply
    26,489.17x = 36,557.10 × 15,162.21
  4. Step 4: Simplify right side
    26,489.17x = 554,286,351.38
  5. Step 5: Solve for x
    x = 554,286,351.38/26,489.17
  6. Step 6: Final answer
    x = 20,925.02

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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.