Home / 22,148.85-33,217.32-15,127.65

Finding the Fourth Proportional to 22,148.85, 33,217.32 and 15,127.65

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Solution

The fourth proportional to 22,148.85, 33,217.32 and 15,127.65 is: 22,687.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,148.85 : 33,217.32 = 15,127.65 : x
  2. Step 2: Convert to fraction form
    22,148.85/33,217.32 = 15,127.65/x
  3. Step 3: Cross multiply
    22,148.85x = 33,217.32 × 15,127.65
  4. Step 4: Simplify right side
    22,148.85x = 502,499,990.90
  5. Step 5: Solve for x
    x = 502,499,990.90/22,148.85
  6. Step 6: Final answer
    x = 22,687.41

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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.