Home / 15,049.04-20,772.17-9,744.21

Finding the Fourth Proportional to 15,049.04, 20,772.17 and 9,744.21

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Solution

The fourth proportional to 15,049.04, 20,772.17 and 9,744.21 is: 13,449.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,049.04 : 20,772.17 = 9,744.21 : x
  2. Step 2: Convert to fraction form
    15,049.04/20,772.17 = 9,744.21/x
  3. Step 3: Cross multiply
    15,049.04x = 20,772.17 × 9,744.21
  4. Step 4: Simplify right side
    15,049.04x = 202,408,337.91
  5. Step 5: Solve for x
    x = 202,408,337.91/15,049.04
  6. Step 6: Final answer
    x = 13,449.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.