Home / 24,397.08-33,649.39-20,999.87

Finding the Fourth Proportional to 24,397.08, 33,649.39 and 20,999.87

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Solution

The fourth proportional to 24,397.08, 33,649.39 and 20,999.87 is: 28,963.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,397.08 : 33,649.39 = 20,999.87 : x
  2. Step 2: Convert to fraction form
    24,397.08/33,649.39 = 20,999.87/x
  3. Step 3: Cross multiply
    24,397.08x = 33,649.39 × 20,999.87
  4. Step 4: Simplify right side
    24,397.08x = 706,632,815.58
  5. Step 5: Solve for x
    x = 706,632,815.58/24,397.08
  6. Step 6: Final answer
    x = 28,963.83

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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.