Home / 16,687.98-23,032.02-9,517.92

Finding the Fourth Proportional to 16,687.98, 23,032.02 and 9,517.92

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Solution

The fourth proportional to 16,687.98, 23,032.02 and 9,517.92 is: 13,136.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,687.98 : 23,032.02 = 9,517.92 : x
  2. Step 2: Convert to fraction form
    16,687.98/23,032.02 = 9,517.92/x
  3. Step 3: Cross multiply
    16,687.98x = 23,032.02 × 9,517.92
  4. Step 4: Simplify right side
    16,687.98x = 219,216,923.80
  5. Step 5: Solve for x
    x = 219,216,923.80/16,687.98
  6. Step 6: Final answer
    x = 13,136.22

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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.