Home / 17,780.58-24,508.85-13,997.75

Finding the Fourth Proportional to 17,780.58, 24,508.85 and 13,997.75

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Solution

The fourth proportional to 17,780.58, 24,508.85 and 13,997.75 is: 19,294.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,780.58 : 24,508.85 = 13,997.75 : x
  2. Step 2: Convert to fraction form
    17,780.58/24,508.85 = 13,997.75/x
  3. Step 3: Cross multiply
    17,780.58x = 24,508.85 × 13,997.75
  4. Step 4: Simplify right side
    17,780.58x = 343,068,562.55
  5. Step 5: Solve for x
    x = 343,068,562.55/17,780.58
  6. Step 6: Final answer
    x = 19,294.57

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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.