Home / 18,110.17-25,006.49-12,146.95

Finding the Fourth Proportional to 18,110.17, 25,006.49 and 12,146.95

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Solution

The fourth proportional to 18,110.17, 25,006.49 and 12,146.95 is: 16,772.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,110.17 : 25,006.49 = 12,146.95 : x
  2. Step 2: Convert to fraction form
    18,110.17/25,006.49 = 12,146.95/x
  3. Step 3: Cross multiply
    18,110.17x = 25,006.49 × 12,146.95
  4. Step 4: Simplify right side
    18,110.17x = 303,752,583.71
  5. Step 5: Solve for x
    x = 303,752,583.71/18,110.17
  6. Step 6: Final answer
    x = 16,772.49

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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.