Home / 15,046.28-22,555.22-5,178.66

Finding the Fourth Proportional to 15,046.28, 22,555.22 and 5,178.66

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Solution

The fourth proportional to 15,046.28, 22,555.22 and 5,178.66 is: 7,763.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,046.28 : 22,555.22 = 5,178.66 : x
  2. Step 2: Convert to fraction form
    15,046.28/22,555.22 = 5,178.66/x
  3. Step 3: Cross multiply
    15,046.28x = 22,555.22 × 5,178.66
  4. Step 4: Simplify right side
    15,046.28x = 116,805,815.61
  5. Step 5: Solve for x
    x = 116,805,815.61/15,046.28
  6. Step 6: Final answer
    x = 7,763.10

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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.