Home / 16,283.20-24,432.90-6,422.80

Finding the Fourth Proportional to 16,283.20, 24,432.90 and 6,422.80

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Solution

The fourth proportional to 16,283.20, 24,432.90 and 6,422.80 is: 9,637.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,283.20 : 24,432.90 = 6,422.80 : x
  2. Step 2: Convert to fraction form
    16,283.20/24,432.90 = 6,422.80/x
  3. Step 3: Cross multiply
    16,283.20x = 24,432.90 × 6,422.80
  4. Step 4: Simplify right side
    16,283.20x = 156,927,630.12
  5. Step 5: Solve for x
    x = 156,927,630.12/16,283.20
  6. Step 6: Final answer
    x = 9,637.39

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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.