Home / 24,847.20-34,289.60-13,669.12

Finding the Fourth Proportional to 24,847.20, 34,289.60 and 13,669.12

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Solution

The fourth proportional to 24,847.20, 34,289.60 and 13,669.12 is: 18,863.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,847.20 : 34,289.60 = 13,669.12 : x
  2. Step 2: Convert to fraction form
    24,847.20/34,289.60 = 13,669.12/x
  3. Step 3: Cross multiply
    24,847.20x = 34,289.60 × 13,669.12
  4. Step 4: Simplify right side
    24,847.20x = 468,708,657.15
  5. Step 5: Solve for x
    x = 468,708,657.15/24,847.20
  6. Step 6: Final answer
    x = 18,863.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.