Home / 21,708.20-32,562.30-16,200.20

Finding the Fourth Proportional to 21,708.20, 32,562.30 and 16,200.20

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Solution

The fourth proportional to 21,708.20, 32,562.30 and 16,200.20 is: 24,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,708.20 : 32,562.30 = 16,200.20 : x
  2. Step 2: Convert to fraction form
    21,708.20/32,562.30 = 16,200.20/x
  3. Step 3: Cross multiply
    21,708.20x = 32,562.30 × 16,200.20
  4. Step 4: Simplify right side
    21,708.20x = 527,515,772.46
  5. Step 5: Solve for x
    x = 527,515,772.46/21,708.20
  6. Step 6: Final answer
    x = 24,300.30

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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.