Home / 18,143.38-25,040.51-10,591.95

Finding the Fourth Proportional to 18,143.38, 25,040.51 and 10,591.95

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Solution

The fourth proportional to 18,143.38, 25,040.51 and 10,591.95 is: 14,618.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,143.38 : 25,040.51 = 10,591.95 : x
  2. Step 2: Convert to fraction form
    18,143.38/25,040.51 = 10,591.95/x
  3. Step 3: Cross multiply
    18,143.38x = 25,040.51 × 10,591.95
  4. Step 4: Simplify right side
    18,143.38x = 265,227,829.89
  5. Step 5: Solve for x
    x = 265,227,829.89/18,143.38
  6. Step 6: Final answer
    x = 14,618.44

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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.