Home / 23,863.68-33,003.24-20,874.32

Finding the Fourth Proportional to 23,863.68, 33,003.24 and 20,874.32

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Solution

The fourth proportional to 23,863.68, 33,003.24 and 20,874.32 is: 28,868.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,863.68 : 33,003.24 = 20,874.32 : x
  2. Step 2: Convert to fraction form
    23,863.68/33,003.24 = 20,874.32/x
  3. Step 3: Cross multiply
    23,863.68x = 33,003.24 × 20,874.32
  4. Step 4: Simplify right side
    23,863.68x = 688,920,073.26
  5. Step 5: Solve for x
    x = 688,920,073.26/23,863.68
  6. Step 6: Final answer
    x = 28,868.98

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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.