Home / 20,475.96-30,715.02-17,377.62

Finding the Fourth Proportional to 20,475.96, 30,715.02 and 17,377.62

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Solution

The fourth proportional to 20,475.96, 30,715.02 and 17,377.62 is: 26,067.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,475.96 : 30,715.02 = 17,377.62 : x
  2. Step 2: Convert to fraction form
    20,475.96/30,715.02 = 17,377.62/x
  3. Step 3: Cross multiply
    20,475.96x = 30,715.02 × 17,377.62
  4. Step 4: Simplify right side
    20,475.96x = 533,753,945.85
  5. Step 5: Solve for x
    x = 533,753,945.85/20,475.96
  6. Step 6: Final answer
    x = 26,067.35

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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.