Home / 12,531.91-18,806.97-10,096.15

Finding the Fourth Proportional to 12,531.91, 18,806.97 and 10,096.15

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Solution

The fourth proportional to 12,531.91, 18,806.97 and 10,096.15 is: 15,151.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.91 : 18,806.97 = 10,096.15 : x
  2. Step 2: Convert to fraction form
    12,531.91/18,806.97 = 10,096.15/x
  3. Step 3: Cross multiply
    12,531.91x = 18,806.97 × 10,096.15
  4. Step 4: Simplify right side
    12,531.91x = 189,877,990.17
  5. Step 5: Solve for x
    x = 189,877,990.17/12,531.91
  6. Step 6: Final answer
    x = 15,151.56

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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.