Home / 18,616.17-25,690.38-10,658.46

Finding the Fourth Proportional to 18,616.17, 25,690.38 and 10,658.46

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Solution

The fourth proportional to 18,616.17, 25,690.38 and 10,658.46 is: 14,708.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,616.17 : 25,690.38 = 10,658.46 : x
  2. Step 2: Convert to fraction form
    18,616.17/25,690.38 = 10,658.46/x
  3. Step 3: Cross multiply
    18,616.17x = 25,690.38 × 10,658.46
  4. Step 4: Simplify right side
    18,616.17x = 273,819,887.61
  5. Step 5: Solve for x
    x = 273,819,887.61/18,616.17
  6. Step 6: Final answer
    x = 14,708.71

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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.