Home / 20,338.17-30,566.30-13,456.41

Finding the Fourth Proportional to 20,338.17, 30,566.30 and 13,456.41

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Solution

The fourth proportional to 20,338.17, 30,566.30 and 13,456.41 is: 20,223.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,338.17 : 30,566.30 = 13,456.41 : x
  2. Step 2: Convert to fraction form
    20,338.17/30,566.30 = 13,456.41/x
  3. Step 3: Cross multiply
    20,338.17x = 30,566.30 × 13,456.41
  4. Step 4: Simplify right side
    20,338.17x = 411,312,597.70
  5. Step 5: Solve for x
    x = 411,312,597.70/20,338.17
  6. Step 6: Final answer
    x = 20,223.68

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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.