Home / 13,524.50-20,278.55-6,118.76

Finding the Fourth Proportional to 13,524.50, 20,278.55 and 6,118.76

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Solution

The fourth proportional to 13,524.50, 20,278.55 and 6,118.76 is: 9,174.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.50 : 20,278.55 = 6,118.76 : x
  2. Step 2: Convert to fraction form
    13,524.50/20,278.55 = 6,118.76/x
  3. Step 3: Cross multiply
    13,524.50x = 20,278.55 × 6,118.76
  4. Step 4: Simplify right side
    13,524.50x = 124,079,550.00
  5. Step 5: Solve for x
    x = 124,079,550.00/13,524.50
  6. Step 6: Final answer
    x = 9,174.43

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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.