Home / 19,708.56-29,572.92-9,317.52

Finding the Fourth Proportional to 19,708.56, 29,572.92 and 9,317.52

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Solution

The fourth proportional to 19,708.56, 29,572.92 and 9,317.52 is: 13,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,708.56 : 29,572.92 = 9,317.52 : x
  2. Step 2: Convert to fraction form
    19,708.56/29,572.92 = 9,317.52/x
  3. Step 3: Cross multiply
    19,708.56x = 29,572.92 × 9,317.52
  4. Step 4: Simplify right side
    19,708.56x = 275,546,273.56
  5. Step 5: Solve for x
    x = 275,546,273.56/19,708.56
  6. Step 6: Final answer
    x = 13,981.05

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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.