Home / 22,549.08-31,116.30-12,338.04

Finding the Fourth Proportional to 22,549.08, 31,116.30 and 12,338.04

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Solution

The fourth proportional to 22,549.08, 31,116.30 and 12,338.04 is: 17,025.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,549.08 : 31,116.30 = 12,338.04 : x
  2. Step 2: Convert to fraction form
    22,549.08/31,116.30 = 12,338.04/x
  3. Step 3: Cross multiply
    22,549.08x = 31,116.30 × 12,338.04
  4. Step 4: Simplify right side
    22,549.08x = 383,914,154.05
  5. Step 5: Solve for x
    x = 383,914,154.05/22,549.08
  6. Step 6: Final answer
    x = 17,025.71

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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.