Home / 24,121.72-33,290.12-13,511.28

Finding the Fourth Proportional to 24,121.72, 33,290.12 and 13,511.28

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Solution

The fourth proportional to 24,121.72, 33,290.12 and 13,511.28 is: 18,646.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,121.72 : 33,290.12 = 13,511.28 : x
  2. Step 2: Convert to fraction form
    24,121.72/33,290.12 = 13,511.28/x
  3. Step 3: Cross multiply
    24,121.72x = 33,290.12 × 13,511.28
  4. Step 4: Simplify right side
    24,121.72x = 449,792,132.55
  5. Step 5: Solve for x
    x = 449,792,132.55/24,121.72
  6. Step 6: Final answer
    x = 18,646.77

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Double scale
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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.