Home / 25,381.92-38,095.17-12,071.19

Finding the Fourth Proportional to 25,381.92, 38,095.17 and 12,071.19

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Solution

The fourth proportional to 25,381.92, 38,095.17 and 12,071.19 is: 18,117.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,381.92 : 38,095.17 = 12,071.19 : x
  2. Step 2: Convert to fraction form
    25,381.92/38,095.17 = 12,071.19/x
  3. Step 3: Cross multiply
    25,381.92x = 38,095.17 × 12,071.19
  4. Step 4: Simplify right side
    25,381.92x = 459,854,035.15
  5. Step 5: Solve for x
    x = 459,854,035.15/25,381.92
  6. Step 6: Final answer
    x = 18,117.39

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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.