Home / 17,149.04-25,730.40-8,381.60

Finding the Fourth Proportional to 17,149.04, 25,730.40 and 8,381.60

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Solution

The fourth proportional to 17,149.04, 25,730.40 and 8,381.60 is: 12,575.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,149.04 : 25,730.40 = 8,381.60 : x
  2. Step 2: Convert to fraction form
    17,149.04/25,730.40 = 8,381.60/x
  3. Step 3: Cross multiply
    17,149.04x = 25,730.40 × 8,381.60
  4. Step 4: Simplify right side
    17,149.04x = 215,661,920.64
  5. Step 5: Solve for x
    x = 215,661,920.64/17,149.04
  6. Step 6: Final answer
    x = 12,575.74

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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.