Home / 14,091.20-21,139.22-4,732.11

Finding the Fourth Proportional to 14,091.20, 21,139.22 and 4,732.11

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Solution

The fourth proportional to 14,091.20, 21,139.22 and 4,732.11 is: 7,098.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.20 : 21,139.22 = 4,732.11 : x
  2. Step 2: Convert to fraction form
    14,091.20/21,139.22 = 4,732.11/x
  3. Step 3: Cross multiply
    14,091.20x = 21,139.22 × 4,732.11
  4. Step 4: Simplify right side
    14,091.20x = 100,033,114.35
  5. Step 5: Solve for x
    x = 100,033,114.35/14,091.20
  6. Step 6: Final answer
    x = 7,098.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.