Home / 20,175.08-30,248.94-10,306.24

Finding the Fourth Proportional to 20,175.08, 30,248.94 and 10,306.24

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Solution

The fourth proportional to 20,175.08, 30,248.94 and 10,306.24 is: 15,452.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,175.08 : 30,248.94 = 10,306.24 : x
  2. Step 2: Convert to fraction form
    20,175.08/30,248.94 = 10,306.24/x
  3. Step 3: Cross multiply
    20,175.08x = 30,248.94 × 10,306.24
  4. Step 4: Simplify right side
    20,175.08x = 311,752,798.41
  5. Step 5: Solve for x
    x = 311,752,798.41/20,175.08
  6. Step 6: Final answer
    x = 15,452.37

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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.