Home / 25,590.62-38,339.14-18,553.18

Finding the Fourth Proportional to 25,590.62, 38,339.14 and 18,553.18

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Solution

The fourth proportional to 25,590.62, 38,339.14 and 18,553.18 is: 27,795.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,590.62 : 38,339.14 = 18,553.18 : x
  2. Step 2: Convert to fraction form
    25,590.62/38,339.14 = 18,553.18/x
  3. Step 3: Cross multiply
    25,590.62x = 38,339.14 × 18,553.18
  4. Step 4: Simplify right side
    25,590.62x = 711,312,965.47
  5. Step 5: Solve for x
    x = 711,312,965.47/25,590.62
  6. Step 6: Final answer
    x = 27,795.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.