Home / 21,707.50-32,565.48-9,227.38

Finding the Fourth Proportional to 21,707.50, 32,565.48 and 9,227.38

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Solution

The fourth proportional to 21,707.50, 32,565.48 and 9,227.38 is: 13,842.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,707.50 : 32,565.48 = 9,227.38 : x
  2. Step 2: Convert to fraction form
    21,707.50/32,565.48 = 9,227.38/x
  3. Step 3: Cross multiply
    21,707.50x = 32,565.48 × 9,227.38
  4. Step 4: Simplify right side
    21,707.50x = 300,494,058.84
  5. Step 5: Solve for x
    x = 300,494,058.84/21,707.50
  6. Step 6: Final answer
    x = 13,842.87

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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.