Home / 18,585.52-25,648.20-10,087.71

Finding the Fourth Proportional to 18,585.52, 25,648.20 and 10,087.71

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Solution

The fourth proportional to 18,585.52, 25,648.20 and 10,087.71 is: 13,921.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585.52 : 25,648.20 = 10,087.71 : x
  2. Step 2: Convert to fraction form
    18,585.52/25,648.20 = 10,087.71/x
  3. Step 3: Cross multiply
    18,585.52x = 25,648.20 × 10,087.71
  4. Step 4: Simplify right side
    18,585.52x = 258,731,603.62
  5. Step 5: Solve for x
    x = 258,731,603.62/18,585.52
  6. Step 6: Final answer
    x = 13,921.14

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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.