Home / 21,468.12-32,166.60-15,197.16

Finding the Fourth Proportional to 21,468.12, 32,166.60 and 15,197.16

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Solution

The fourth proportional to 21,468.12, 32,166.60 and 15,197.16 is: 22,770.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,468.12 : 32,166.60 = 15,197.16 : x
  2. Step 2: Convert to fraction form
    21,468.12/32,166.60 = 15,197.16/x
  3. Step 3: Cross multiply
    21,468.12x = 32,166.60 × 15,197.16
  4. Step 4: Simplify right side
    21,468.12x = 488,840,966.86
  5. Step 5: Solve for x
    x = 488,840,966.86/21,468.12
  6. Step 6: Final answer
    x = 22,770.55

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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.