Home / 21,542.55-32,313.82-6,752.76

Finding the Fourth Proportional to 21,542.55, 32,313.82 and 6,752.76

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Solution

The fourth proportional to 21,542.55, 32,313.82 and 6,752.76 is: 10,129.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,542.55 : 32,313.82 = 6,752.76 : x
  2. Step 2: Convert to fraction form
    21,542.55/32,313.82 = 6,752.76/x
  3. Step 3: Cross multiply
    21,542.55x = 32,313.82 × 6,752.76
  4. Step 4: Simplify right side
    21,542.55x = 218,207,471.14
  5. Step 5: Solve for x
    x = 218,207,471.14/21,542.55
  6. Step 6: Final answer
    x = 10,129.14

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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.