Home / 16,230.23-22,397.71-8,778.23

Finding the Fourth Proportional to 16,230.23, 22,397.71 and 8,778.23

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Solution

The fourth proportional to 16,230.23, 22,397.71 and 8,778.23 is: 12,113.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,230.23 : 22,397.71 = 8,778.23 : x
  2. Step 2: Convert to fraction form
    16,230.23/22,397.71 = 8,778.23/x
  3. Step 3: Cross multiply
    16,230.23x = 22,397.71 × 8,778.23
  4. Step 4: Simplify right side
    16,230.23x = 196,612,137.86
  5. Step 5: Solve for x
    x = 196,612,137.86/16,230.23
  6. Step 6: Final answer
    x = 12,113.95

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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.