Home / 25,632.11-38,446.45-12,314.64

Finding the Fourth Proportional to 25,632.11, 38,446.45 and 12,314.64

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Solution

The fourth proportional to 25,632.11, 38,446.45 and 12,314.64 is: 18,471.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,632.11 : 38,446.45 = 12,314.64 : x
  2. Step 2: Convert to fraction form
    25,632.11/38,446.45 = 12,314.64/x
  3. Step 3: Cross multiply
    25,632.11x = 38,446.45 × 12,314.64
  4. Step 4: Simplify right side
    25,632.11x = 473,454,160.24
  5. Step 5: Solve for x
    x = 473,454,160.24/25,632.11
  6. Step 6: Final answer
    x = 18,471.14

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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.