Home / 19,517.18-29,245.10-15,085.69

Finding the Fourth Proportional to 19,517.18, 29,245.10 and 15,085.69

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Solution

The fourth proportional to 19,517.18, 29,245.10 and 15,085.69 is: 22,604.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517.18 : 29,245.10 = 15,085.69 : x
  2. Step 2: Convert to fraction form
    19,517.18/29,245.10 = 15,085.69/x
  3. Step 3: Cross multiply
    19,517.18x = 29,245.10 × 15,085.69
  4. Step 4: Simplify right side
    19,517.18x = 441,182,364.08
  5. Step 5: Solve for x
    x = 441,182,364.08/19,517.18
  6. Step 6: Final answer
    x = 22,604.83

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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.