Home / 16,003.61-22,079.84-8,928.66

Finding the Fourth Proportional to 16,003.61, 22,079.84 and 8,928.66

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Solution

The fourth proportional to 16,003.61, 22,079.84 and 8,928.66 is: 12,318.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,003.61 : 22,079.84 = 8,928.66 : x
  2. Step 2: Convert to fraction form
    16,003.61/22,079.84 = 8,928.66/x
  3. Step 3: Cross multiply
    16,003.61x = 22,079.84 × 8,928.66
  4. Step 4: Simplify right side
    16,003.61x = 197,143,472.59
  5. Step 5: Solve for x
    x = 197,143,472.59/16,003.61
  6. Step 6: Final answer
    x = 12,318.69

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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.