Home / 25,516.32-38,280.96-18,034.61

Finding the Fourth Proportional to 25,516.32, 38,280.96 and 18,034.61

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Solution

The fourth proportional to 25,516.32, 38,280.96 and 18,034.61 is: 27,056.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,516.32 : 38,280.96 = 18,034.61 : x
  2. Step 2: Convert to fraction form
    25,516.32/38,280.96 = 18,034.61/x
  3. Step 3: Cross multiply
    25,516.32x = 38,280.96 × 18,034.61
  4. Step 4: Simplify right side
    25,516.32x = 690,381,992.62
  5. Step 5: Solve for x
    x = 690,381,992.62/25,516.32
  6. Step 6: Final answer
    x = 27,056.49

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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.