Home / 16,311.74-22,520.31-14,630.18

Finding the Fourth Proportional to 16,311.74, 22,520.31 and 14,630.18

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Solution

The fourth proportional to 16,311.74, 22,520.31 and 14,630.18 is: 20,198.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,311.74 : 22,520.31 = 14,630.18 : x
  2. Step 2: Convert to fraction form
    16,311.74/22,520.31 = 14,630.18/x
  3. Step 3: Cross multiply
    16,311.74x = 22,520.31 × 14,630.18
  4. Step 4: Simplify right side
    16,311.74x = 329,476,188.96
  5. Step 5: Solve for x
    x = 329,476,188.96/16,311.74
  6. Step 6: Final answer
    x = 20,198.72

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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.