Home / 14,351.92-19,805.31-8,301.71

Finding the Fourth Proportional to 14,351.92, 19,805.31 and 8,301.71

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Solution

The fourth proportional to 14,351.92, 19,805.31 and 8,301.71 is: 11,456.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,351.92 : 19,805.31 = 8,301.71 : x
  2. Step 2: Convert to fraction form
    14,351.92/19,805.31 = 8,301.71/x
  3. Step 3: Cross multiply
    14,351.92x = 19,805.31 × 8,301.71
  4. Step 4: Simplify right side
    14,351.92x = 164,417,989.59
  5. Step 5: Solve for x
    x = 164,417,989.59/14,351.92
  6. Step 6: Final answer
    x = 11,456.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.