Home / 18,432.55-27,633.16-8,577.55

Finding the Fourth Proportional to 18,432.55, 27,633.16 and 8,577.55

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Solution

The fourth proportional to 18,432.55, 27,633.16 and 8,577.55 is: 12,859.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432.55 : 27,633.16 = 8,577.55 : x
  2. Step 2: Convert to fraction form
    18,432.55/27,633.16 = 8,577.55/x
  3. Step 3: Cross multiply
    18,432.55x = 27,633.16 × 8,577.55
  4. Step 4: Simplify right side
    18,432.55x = 237,024,753.20
  5. Step 5: Solve for x
    x = 237,024,753.20/18,432.55
  6. Step 6: Final answer
    x = 12,859.03

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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.