Home / 17,689.35-26,524.88-5,207.75

Finding the Fourth Proportional to 17,689.35, 26,524.88 and 5,207.75

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Solution

The fourth proportional to 17,689.35, 26,524.88 and 5,207.75 is: 7,808.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,689.35 : 26,524.88 = 5,207.75 : x
  2. Step 2: Convert to fraction form
    17,689.35/26,524.88 = 5,207.75/x
  3. Step 3: Cross multiply
    17,689.35x = 26,524.88 × 5,207.75
  4. Step 4: Simplify right side
    17,689.35x = 138,134,943.82
  5. Step 5: Solve for x
    x = 138,134,943.82/17,689.35
  6. Step 6: Final answer
    x = 7,808.93

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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.