Home / 15,947.73-22,003.77-8,872.80

Finding the Fourth Proportional to 15,947.73, 22,003.77 and 8,872.80

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Solution

The fourth proportional to 15,947.73, 22,003.77 and 8,872.80 is: 12,242.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,947.73 : 22,003.77 = 8,872.80 : x
  2. Step 2: Convert to fraction form
    15,947.73/22,003.77 = 8,872.80/x
  3. Step 3: Cross multiply
    15,947.73x = 22,003.77 × 8,872.80
  4. Step 4: Simplify right side
    15,947.73x = 195,235,050.46
  5. Step 5: Solve for x
    x = 195,235,050.46/15,947.73
  6. Step 6: Final answer
    x = 12,242.18

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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.