Home / 24,001.20-33,121.53-13,390.81

Finding the Fourth Proportional to 24,001.20, 33,121.53 and 13,390.81

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Solution

The fourth proportional to 24,001.20, 33,121.53 and 13,390.81 is: 18,479.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,001.20 : 33,121.53 = 13,390.81 : x
  2. Step 2: Convert to fraction form
    24,001.20/33,121.53 = 13,390.81/x
  3. Step 3: Cross multiply
    24,001.20x = 33,121.53 × 13,390.81
  4. Step 4: Simplify right side
    24,001.20x = 443,524,032.34
  5. Step 5: Solve for x
    x = 443,524,032.34/24,001.20
  6. Step 6: Final answer
    x = 18,479.24

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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.