Home / 17,612.72-26,416.59-6,517.55

Finding the Fourth Proportional to 17,612.72, 26,416.59 and 6,517.55

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Solution

The fourth proportional to 17,612.72, 26,416.59 and 6,517.55 is: 9,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,612.72 : 26,416.59 = 6,517.55 : x
  2. Step 2: Convert to fraction form
    17,612.72/26,416.59 = 6,517.55/x
  3. Step 3: Cross multiply
    17,612.72x = 26,416.59 × 6,517.55
  4. Step 4: Simplify right side
    17,612.72x = 172,171,446.15
  5. Step 5: Solve for x
    x = 172,171,446.15/17,612.72
  6. Step 6: Final answer
    x = 9,775.40

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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.