Home / 16,766.16-23,134.10-11,392.85

Finding the Fourth Proportional to 16,766.16, 23,134.10 and 11,392.85

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Solution

The fourth proportional to 16,766.16, 23,134.10 and 11,392.85 is: 15,719.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,766.16 : 23,134.10 = 11,392.85 : x
  2. Step 2: Convert to fraction form
    16,766.16/23,134.10 = 11,392.85/x
  3. Step 3: Cross multiply
    16,766.16x = 23,134.10 × 11,392.85
  4. Step 4: Simplify right side
    16,766.16x = 263,563,158.55
  5. Step 5: Solve for x
    x = 263,563,158.55/16,766.16
  6. Step 6: Final answer
    x = 15,719.95

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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.