Home / 15,613.14-23,418.20-8,590.85

Finding the Fourth Proportional to 15,613.14, 23,418.20 and 8,590.85

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Solution

The fourth proportional to 15,613.14, 23,418.20 and 8,590.85 is: 12,885.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,613.14 : 23,418.20 = 8,590.85 : x
  2. Step 2: Convert to fraction form
    15,613.14/23,418.20 = 8,590.85/x
  3. Step 3: Cross multiply
    15,613.14x = 23,418.20 × 8,590.85
  4. Step 4: Simplify right side
    15,613.14x = 201,182,141.97
  5. Step 5: Solve for x
    x = 201,182,141.97/15,613.14
  6. Step 6: Final answer
    x = 12,885.44

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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.