Home / 17,670.78-26,496.72-9,329.70

Finding the Fourth Proportional to 17,670.78, 26,496.72 and 9,329.70

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Solution

The fourth proportional to 17,670.78, 26,496.72 and 9,329.70 is: 13,989.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,670.78 : 26,496.72 = 9,329.70 : x
  2. Step 2: Convert to fraction form
    17,670.78/26,496.72 = 9,329.70/x
  3. Step 3: Cross multiply
    17,670.78x = 26,496.72 × 9,329.70
  4. Step 4: Simplify right side
    17,670.78x = 247,206,448.58
  5. Step 5: Solve for x
    x = 247,206,448.58/17,670.78
  6. Step 6: Final answer
    x = 13,989.56

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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.