Home / 16,687.48-23,031.30-9,517.42

Finding the Fourth Proportional to 16,687.48, 23,031.30 and 9,517.42

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Solution

The fourth proportional to 16,687.48, 23,031.30 and 9,517.42 is: 13,135.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,687.48 : 23,031.30 = 9,517.42 : x
  2. Step 2: Convert to fraction form
    16,687.48/23,031.30 = 9,517.42/x
  3. Step 3: Cross multiply
    16,687.48x = 23,031.30 × 9,517.42
  4. Step 4: Simplify right side
    16,687.48x = 219,198,555.25
  5. Step 5: Solve for x
    x = 219,198,555.25/16,687.48
  6. Step 6: Final answer
    x = 13,135.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.