Home / 18,587.52-25,650.96-10,089.71

Finding the Fourth Proportional to 18,587.52, 25,650.96 and 10,089.71

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Solution

The fourth proportional to 18,587.52, 25,650.96 and 10,089.71 is: 13,923.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587.52 : 25,650.96 = 10,089.71 : x
  2. Step 2: Convert to fraction form
    18,587.52/25,650.96 = 10,089.71/x
  3. Step 3: Cross multiply
    18,587.52x = 25,650.96 × 10,089.71
  4. Step 4: Simplify right side
    18,587.52x = 258,810,747.62
  5. Step 5: Solve for x
    x = 258,810,747.62/18,587.52
  6. Step 6: Final answer
    x = 13,923.90

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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.