Home / 16,908.60-23,343.17-12,658.12

Finding the Fourth Proportional to 16,908.60, 23,343.17 and 12,658.12

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Solution

The fourth proportional to 16,908.60, 23,343.17 and 12,658.12 is: 17,475.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,908.60 : 23,343.17 = 12,658.12 : x
  2. Step 2: Convert to fraction form
    16,908.60/23,343.17 = 12,658.12/x
  3. Step 3: Cross multiply
    16,908.60x = 23,343.17 × 12,658.12
  4. Step 4: Simplify right side
    16,908.60x = 295,480,727.90
  5. Step 5: Solve for x
    x = 295,480,727.90/16,908.60
  6. Step 6: Final answer
    x = 17,475.18

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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.