Home / 16,757.25-23,144.45-11,158.53

Finding the Fourth Proportional to 16,757.25, 23,144.45 and 11,158.53

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Solution

The fourth proportional to 16,757.25, 23,144.45 and 11,158.53 is: 15,411.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,757.25 : 23,144.45 = 11,158.53 : x
  2. Step 2: Convert to fraction form
    16,757.25/23,144.45 = 11,158.53/x
  3. Step 3: Cross multiply
    16,757.25x = 23,144.45 × 11,158.53
  4. Step 4: Simplify right side
    16,757.25x = 258,257,983.87
  5. Step 5: Solve for x
    x = 258,257,983.87/16,757.25
  6. Step 6: Final answer
    x = 15,411.72

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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.