Home / 24,000.72-33,120.68-13,391.52

Finding the Fourth Proportional to 24,000.72, 33,120.68 and 13,391.52

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Solution

The fourth proportional to 24,000.72, 33,120.68 and 13,391.52 is: 18,480.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,000.72 : 33,120.68 = 13,391.52 : x
  2. Step 2: Convert to fraction form
    24,000.72/33,120.68 = 13,391.52/x
  3. Step 3: Cross multiply
    24,000.72x = 33,120.68 × 13,391.52
  4. Step 4: Simplify right side
    24,000.72x = 443,536,248.63
  5. Step 5: Solve for x
    x = 443,536,248.63/24,000.72
  6. Step 6: Final answer
    x = 18,480.12

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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.