Home / 20,351.85-30,524.59-5,561.92

Finding the Fourth Proportional to 20,351.85, 30,524.59 and 5,561.92

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Solution

The fourth proportional to 20,351.85, 30,524.59 and 5,561.92 is: 8,342.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,351.85 : 30,524.59 = 5,561.92 : x
  2. Step 2: Convert to fraction form
    20,351.85/30,524.59 = 5,561.92/x
  3. Step 3: Cross multiply
    20,351.85x = 30,524.59 × 5,561.92
  4. Step 4: Simplify right side
    20,351.85x = 169,775,327.61
  5. Step 5: Solve for x
    x = 169,775,327.61/20,351.85
  6. Step 6: Final answer
    x = 8,342.01

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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.