Home / 18,471.19-25,490.24-10,087.69

Finding the Fourth Proportional to 18,471.19, 25,490.24 and 10,087.69

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Solution

The fourth proportional to 18,471.19, 25,490.24 and 10,087.69 is: 13,921.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,471.19 : 25,490.24 = 10,087.69 : x
  2. Step 2: Convert to fraction form
    18,471.19/25,490.24 = 10,087.69/x
  3. Step 3: Cross multiply
    18,471.19x = 25,490.24 × 10,087.69
  4. Step 4: Simplify right side
    18,471.19x = 257,137,562.81
  5. Step 5: Solve for x
    x = 257,137,562.81/18,471.19
  6. Step 6: Final answer
    x = 13,921.01

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Double scale
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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.