Home / 18,508.62-25,542.27-10,125.66

Finding the Fourth Proportional to 18,508.62, 25,542.27 and 10,125.66

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Solution

The fourth proportional to 18,508.62, 25,542.27 and 10,125.66 is: 13,973.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,508.62 : 25,542.27 = 10,125.66 : x
  2. Step 2: Convert to fraction form
    18,508.62/25,542.27 = 10,125.66/x
  3. Step 3: Cross multiply
    18,508.62x = 25,542.27 × 10,125.66
  4. Step 4: Simplify right side
    18,508.62x = 258,632,341.65
  5. Step 5: Solve for x
    x = 258,632,341.65/18,508.62
  6. Step 6: Final answer
    x = 13,973.62

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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.