Home / 16,020.28-22,108.44-8,947.16

Finding the Fourth Proportional to 16,020.28, 22,108.44 and 8,947.16

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Solution

The fourth proportional to 16,020.28, 22,108.44 and 8,947.16 is: 12,347.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,020.28 : 22,108.44 = 8,947.16 : x
  2. Step 2: Convert to fraction form
    16,020.28/22,108.44 = 8,947.16/x
  3. Step 3: Cross multiply
    16,020.28x = 22,108.44 × 8,947.16
  4. Step 4: Simplify right side
    16,020.28x = 197,807,755.95
  5. Step 5: Solve for x
    x = 197,807,755.95/16,020.28
  6. Step 6: Final answer
    x = 12,347.33

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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.