Home / 22,508.68-31,061.44-12,436.60

Finding the Fourth Proportional to 22,508.68, 31,061.44 and 12,436.60

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Solution

The fourth proportional to 22,508.68, 31,061.44 and 12,436.60 is: 17,162.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,508.68 : 31,061.44 = 12,436.60 : x
  2. Step 2: Convert to fraction form
    22,508.68/31,061.44 = 12,436.60/x
  3. Step 3: Cross multiply
    22,508.68x = 31,061.44 × 12,436.60
  4. Step 4: Simplify right side
    22,508.68x = 386,298,704.70
  5. Step 5: Solve for x
    x = 386,298,704.70/22,508.68
  6. Step 6: Final answer
    x = 17,162.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.