Home / 17,612.57-26,422.30-6,519.35

Finding the Fourth Proportional to 17,612.57, 26,422.30 and 6,519.35

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Solution

The fourth proportional to 17,612.57, 26,422.30 and 6,519.35 is: 9,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,612.57 : 26,422.30 = 6,519.35 : x
  2. Step 2: Convert to fraction form
    17,612.57/26,422.30 = 6,519.35/x
  3. Step 3: Cross multiply
    17,612.57x = 26,422.30 × 6,519.35
  4. Step 4: Simplify right side
    17,612.57x = 172,256,089.39
  5. Step 5: Solve for x
    x = 172,256,089.39/17,612.57
  6. Step 6: Final answer
    x = 9,780.30

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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.