Home / 24,001.38-33,120.09-13,390.38

Finding the Fourth Proportional to 24,001.38, 33,120.09 and 13,390.38

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Solution

The fourth proportional to 24,001.38, 33,120.09 and 13,390.38 is: 18,477.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,001.38 : 33,120.09 = 13,390.38 : x
  2. Step 2: Convert to fraction form
    24,001.38/33,120.09 = 13,390.38/x
  3. Step 3: Cross multiply
    24,001.38x = 33,120.09 × 13,390.38
  4. Step 4: Simplify right side
    24,001.38x = 443,490,590.73
  5. Step 5: Solve for x
    x = 443,490,590.73/24,001.38
  6. Step 6: Final answer
    x = 18,477.71

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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.