Home / 22,815.12-34,174.95-18,348.65

Finding the Fourth Proportional to 22,815.12, 34,174.95 and 18,348.65

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Solution

The fourth proportional to 22,815.12, 34,174.95 and 18,348.65 is: 27,484.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,815.12 : 34,174.95 = 18,348.65 : x
  2. Step 2: Convert to fraction form
    22,815.12/34,174.95 = 18,348.65/x
  3. Step 3: Cross multiply
    22,815.12x = 34,174.95 × 18,348.65
  4. Step 4: Simplify right side
    22,815.12x = 627,063,933.70
  5. Step 5: Solve for x
    x = 627,063,933.70/22,815.12
  6. Step 6: Final answer
    x = 27,484.58

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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.