Home / 24,000.80-33,121.19-13,390.88

Finding the Fourth Proportional to 24,000.80, 33,121.19 and 13,390.88

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Solution

The fourth proportional to 24,000.80, 33,121.19 and 13,390.88 is: 18,479.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,000.80 : 33,121.19 = 13,390.88 : x
  2. Step 2: Convert to fraction form
    24,000.80/33,121.19 = 13,390.88/x
  3. Step 3: Cross multiply
    24,000.80x = 33,121.19 × 13,390.88
  4. Step 4: Simplify right side
    24,000.80x = 443,521,748.62
  5. Step 5: Solve for x
    x = 443,521,748.62/24,000.80
  6. Step 6: Final answer
    x = 18,479.46

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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.