Home / 24,120.96-36,180.88-8,538.72

Finding the Fourth Proportional to 24,120.96, 36,180.88 and 8,538.72

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Solution

The fourth proportional to 24,120.96, 36,180.88 and 8,538.72 is: 12,807.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,120.96 : 36,180.88 = 8,538.72 : x
  2. Step 2: Convert to fraction form
    24,120.96/36,180.88 = 8,538.72/x
  3. Step 3: Cross multiply
    24,120.96x = 36,180.88 × 8,538.72
  4. Step 4: Simplify right side
    24,120.96x = 308,938,403.67
  5. Step 5: Solve for x
    x = 308,938,403.67/24,120.96
  6. Step 6: Final answer
    x = 12,807.88

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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.