Home / 17,679.62-26,495.28-9,770.42

Finding the Fourth Proportional to 17,679.62, 26,495.28 and 9,770.42

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Solution

The fourth proportional to 17,679.62, 26,495.28 and 9,770.42 is: 14,642.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,679.62 : 26,495.28 = 9,770.42 : x
  2. Step 2: Convert to fraction form
    17,679.62/26,495.28 = 9,770.42/x
  3. Step 3: Cross multiply
    17,679.62x = 26,495.28 × 9,770.42
  4. Step 4: Simplify right side
    17,679.62x = 258,870,052.38
  5. Step 5: Solve for x
    x = 258,870,052.38/17,679.62
  6. Step 6: Final answer
    x = 14,642.29

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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.