Home / 24,120.39-33,267.86-21,131.04

Finding the Fourth Proportional to 24,120.39, 33,267.86 and 21,131.04

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Solution

The fourth proportional to 24,120.39, 33,267.86 and 21,131.04 is: 29,144.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,120.39 : 33,267.86 = 21,131.04 : x
  2. Step 2: Convert to fraction form
    24,120.39/33,267.86 = 21,131.04/x
  3. Step 3: Cross multiply
    24,120.39x = 33,267.86 × 21,131.04
  4. Step 4: Simplify right side
    24,120.39x = 702,984,374.72
  5. Step 5: Solve for x
    x = 702,984,374.72/24,120.39
  6. Step 6: Final answer
    x = 29,144.82

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Half scale
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Double scale
Find fourth proportional to 24,121.39, 33,269.23 and 21,132.04
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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.