Home / 14,638.11-20,200.76-8,177.95

Finding the Fourth Proportional to 14,638.11, 20,200.76 and 8,177.95

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Solution

The fourth proportional to 14,638.11, 20,200.76 and 8,177.95 is: 11,285.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638.11 : 20,200.76 = 8,177.95 : x
  2. Step 2: Convert to fraction form
    14,638.11/20,200.76 = 8,177.95/x
  3. Step 3: Cross multiply
    14,638.11x = 20,200.76 × 8,177.95
  4. Step 4: Simplify right side
    14,638.11x = 165,200,805.24
  5. Step 5: Solve for x
    x = 165,200,805.24/14,638.11
  6. Step 6: Final answer
    x = 11,285.66

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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.