Home / 21,432.96-32,149.14-5,850.60

Finding the Fourth Proportional to 21,432.96, 32,149.14 and 5,850.60

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Solution

The fourth proportional to 21,432.96, 32,149.14 and 5,850.60 is: 8,775.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,432.96 : 32,149.14 = 5,850.60 : x
  2. Step 2: Convert to fraction form
    21,432.96/32,149.14 = 5,850.60/x
  3. Step 3: Cross multiply
    21,432.96x = 32,149.14 × 5,850.60
  4. Step 4: Simplify right side
    21,432.96x = 188,091,758.48
  5. Step 5: Solve for x
    x = 188,091,758.48/21,432.96
  6. Step 6: Final answer
    x = 8,775.82

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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.