Home / 18,471.60-25,490.52-10,087.92

Finding the Fourth Proportional to 18,471.60, 25,490.52 and 10,087.92

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Solution

The fourth proportional to 18,471.60, 25,490.52 and 10,087.92 is: 13,921.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,471.60 : 25,490.52 = 10,087.92 : x
  2. Step 2: Convert to fraction form
    18,471.60/25,490.52 = 10,087.92/x
  3. Step 3: Cross multiply
    18,471.60x = 25,490.52 × 10,087.92
  4. Step 4: Simplify right side
    18,471.60x = 257,146,326.52
  5. Step 5: Solve for x
    x = 257,146,326.52/18,471.60
  6. Step 6: Final answer
    x = 13,921.17

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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.