Home / 22,721.84-34,080.80-13,834.88

Finding the Fourth Proportional to 22,721.84, 34,080.80 and 13,834.88

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Solution

The fourth proportional to 22,721.84, 34,080.80 and 13,834.88 is: 20,751.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,721.84 : 34,080.80 = 13,834.88 : x
  2. Step 2: Convert to fraction form
    22,721.84/34,080.80 = 13,834.88/x
  3. Step 3: Cross multiply
    22,721.84x = 34,080.80 × 13,834.88
  4. Step 4: Simplify right side
    22,721.84x = 471,503,778.30
  5. Step 5: Solve for x
    x = 471,503,778.30/22,721.84
  6. Step 6: Final answer
    x = 20,751.13

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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.