Home / 20,023.20-29,962.80-14,839.20

Finding the Fourth Proportional to 20,023.20, 29,962.80 and 14,839.20

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Solution

The fourth proportional to 20,023.20, 29,962.80 and 14,839.20 is: 22,205.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.20 : 29,962.80 = 14,839.20 : x
  2. Step 2: Convert to fraction form
    20,023.20/29,962.80 = 14,839.20/x
  3. Step 3: Cross multiply
    20,023.20x = 29,962.80 × 14,839.20
  4. Step 4: Simplify right side
    20,023.20x = 444,623,981.76
  5. Step 5: Solve for x
    x = 444,623,981.76/20,023.20
  6. Step 6: Final answer
    x = 22,205.44

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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.