Home / 23,821.59-32,859.27-15,755.21

Finding the Fourth Proportional to 23,821.59, 32,859.27 and 15,755.21

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Solution

The fourth proportional to 23,821.59, 32,859.27 and 15,755.21 is: 21,732.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,821.59 : 32,859.27 = 15,755.21 : x
  2. Step 2: Convert to fraction form
    23,821.59/32,859.27 = 15,755.21/x
  3. Step 3: Cross multiply
    23,821.59x = 32,859.27 × 15,755.21
  4. Step 4: Simplify right side
    23,821.59x = 517,704,658.22
  5. Step 5: Solve for x
    x = 517,704,658.22/23,821.59
  6. Step 6: Final answer
    x = 21,732.58

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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.