Home / 21,432.74-32,148.78-5,850.32

Finding the Fourth Proportional to 21,432.74, 32,148.78 and 5,850.32

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Solution

The fourth proportional to 21,432.74, 32,148.78 and 5,850.32 is: 8,775.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,432.74 : 32,148.78 = 5,850.32 : x
  2. Step 2: Convert to fraction form
    21,432.74/32,148.78 = 5,850.32/x
  3. Step 3: Cross multiply
    21,432.74x = 32,148.78 × 5,850.32
  4. Step 4: Simplify right side
    21,432.74x = 188,080,650.61
  5. Step 5: Solve for x
    x = 188,080,650.61/21,432.74
  6. Step 6: Final answer
    x = 8,775.39

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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.