Home / 16,188.27-22,340.25-9,114.95

Finding the Fourth Proportional to 16,188.27, 22,340.25 and 9,114.95

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Solution

The fourth proportional to 16,188.27, 22,340.25 and 9,114.95 is: 12,578.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,188.27 : 22,340.25 = 9,114.95 : x
  2. Step 2: Convert to fraction form
    16,188.27/22,340.25 = 9,114.95/x
  3. Step 3: Cross multiply
    16,188.27x = 22,340.25 × 9,114.95
  4. Step 4: Simplify right side
    16,188.27x = 203,630,261.74
  5. Step 5: Solve for x
    x = 203,630,261.74/16,188.27
  6. Step 6: Final answer
    x = 12,578.88

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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.