Home / 15,116.07-22,572.24-12,348.21

Finding the Fourth Proportional to 15,116.07, 22,572.24 and 12,348.21

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Solution

The fourth proportional to 15,116.07, 22,572.24 and 12,348.21 is: 18,439.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,116.07 : 22,572.24 = 12,348.21 : x
  2. Step 2: Convert to fraction form
    15,116.07/22,572.24 = 12,348.21/x
  3. Step 3: Cross multiply
    15,116.07x = 22,572.24 × 12,348.21
  4. Step 4: Simplify right side
    15,116.07x = 278,726,759.69
  5. Step 5: Solve for x
    x = 278,726,759.69/15,116.07
  6. Step 6: Final answer
    x = 18,439.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.