Home / 19,620.75-29,444.10-9,233.31

Finding the Fourth Proportional to 19,620.75, 29,444.10 and 9,233.31

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Solution

The fourth proportional to 19,620.75, 29,444.10 and 9,233.31 is: 13,856.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.75 : 29,444.10 = 9,233.31 : x
  2. Step 2: Convert to fraction form
    19,620.75/29,444.10 = 9,233.31/x
  3. Step 3: Cross multiply
    19,620.75x = 29,444.10 × 9,233.31
  4. Step 4: Simplify right side
    19,620.75x = 271,866,502.97
  5. Step 5: Solve for x
    x = 271,866,502.97/19,620.75
  6. Step 6: Final answer
    x = 13,856.07

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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.