Home / 15,761.88-23,503.41-14,689.44

Finding the Fourth Proportional to 15,761.88, 23,503.41 and 14,689.44

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Solution

The fourth proportional to 15,761.88, 23,503.41 and 14,689.44 is: 21,904.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,761.88 : 23,503.41 = 14,689.44 : x
  2. Step 2: Convert to fraction form
    15,761.88/23,503.41 = 14,689.44/x
  3. Step 3: Cross multiply
    15,761.88x = 23,503.41 × 14,689.44
  4. Step 4: Simplify right side
    15,761.88x = 345,251,930.99
  5. Step 5: Solve for x
    x = 345,251,930.99/15,761.88
  6. Step 6: Final answer
    x = 21,904.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.