Home / 17,767.92-26,649.45-5,289.87

Finding the Fourth Proportional to 17,767.92, 26,649.45 and 5,289.87

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Solution

The fourth proportional to 17,767.92, 26,649.45 and 5,289.87 is: 7,934.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,767.92 : 26,649.45 = 5,289.87 : x
  2. Step 2: Convert to fraction form
    17,767.92/26,649.45 = 5,289.87/x
  3. Step 3: Cross multiply
    17,767.92x = 26,649.45 × 5,289.87
  4. Step 4: Simplify right side
    17,767.92x = 140,972,126.07
  5. Step 5: Solve for x
    x = 140,972,126.07/17,767.92
  6. Step 6: Final answer
    x = 7,934.08

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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.