Home / 16,561.97-24,852.52-8,770.78

Finding the Fourth Proportional to 16,561.97, 24,852.52 and 8,770.78

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Solution

The fourth proportional to 16,561.97, 24,852.52 and 8,770.78 is: 13,161.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,561.97 : 24,852.52 = 8,770.78 : x
  2. Step 2: Convert to fraction form
    16,561.97/24,852.52 = 8,770.78/x
  3. Step 3: Cross multiply
    16,561.97x = 24,852.52 × 8,770.78
  4. Step 4: Simplify right side
    16,561.97x = 217,976,027.39
  5. Step 5: Solve for x
    x = 217,976,027.39/16,561.97
  6. Step 6: Final answer
    x = 13,161.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.