Home / 17,947.48-26,921.28-8,707

Finding the Fourth Proportional to 17,947.48, 26,921.28 and 8,707

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Solution

The fourth proportional to 17,947.48, 26,921.28 and 8,707 is: 13,060.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,947.48 : 26,921.28 = 8,707 : x
  2. Step 2: Convert to fraction form
    17,947.48/26,921.28 = 8,707/x
  3. Step 3: Cross multiply
    17,947.48x = 26,921.28 × 8,707
  4. Step 4: Simplify right side
    17,947.48x = 234,403,584.96
  5. Step 5: Solve for x
    x = 234,403,584.96/17,947.48
  6. Step 6: Final answer
    x = 13,060.53

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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.