Home / 15,106.80-22,604.04-13,249.20

Finding the Fourth Proportional to 15,106.80, 22,604.04 and 13,249.20

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Solution

The fourth proportional to 15,106.80, 22,604.04 and 13,249.20 is: 19,824.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,106.80 : 22,604.04 = 13,249.20 : x
  2. Step 2: Convert to fraction form
    15,106.80/22,604.04 = 13,249.20/x
  3. Step 3: Cross multiply
    15,106.80x = 22,604.04 × 13,249.20
  4. Step 4: Simplify right side
    15,106.80x = 299,485,446.77
  5. Step 5: Solve for x
    x = 299,485,446.77/15,106.80
  6. Step 6: Final answer
    x = 19,824.55

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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.