Home / 17,660.12-26,449.86-8,432.60

Finding the Fourth Proportional to 17,660.12, 26,449.86 and 8,432.60

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Solution

The fourth proportional to 17,660.12, 26,449.86 and 8,432.60 is: 12,629.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,660.12 : 26,449.86 = 8,432.60 : x
  2. Step 2: Convert to fraction form
    17,660.12/26,449.86 = 8,432.60/x
  3. Step 3: Cross multiply
    17,660.12x = 26,449.86 × 8,432.60
  4. Step 4: Simplify right side
    17,660.12x = 223,041,089.44
  5. Step 5: Solve for x
    x = 223,041,089.44/17,660.12
  6. Step 6: Final answer
    x = 12,629.65

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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.