Home / 24,990.69-34,512.99-21,617.31

Finding the Fourth Proportional to 24,990.69, 34,512.99 and 21,617.31

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Solution

The fourth proportional to 24,990.69, 34,512.99 and 21,617.31 is: 29,854.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,990.69 : 34,512.99 = 21,617.31 : x
  2. Step 2: Convert to fraction form
    24,990.69/34,512.99 = 21,617.31/x
  3. Step 3: Cross multiply
    24,990.69x = 34,512.99 × 21,617.31
  4. Step 4: Simplify right side
    24,990.69x = 746,078,003.86
  5. Step 5: Solve for x
    x = 746,078,003.86/24,990.69
  6. Step 6: Final answer
    x = 29,854.24

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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.