Home / 21,417.33-32,129.49-7,373.96

Finding the Fourth Proportional to 21,417.33, 32,129.49 and 7,373.96

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Solution

The fourth proportional to 21,417.33, 32,129.49 and 7,373.96 is: 11,062.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,417.33 : 32,129.49 = 7,373.96 : x
  2. Step 2: Convert to fraction form
    21,417.33/32,129.49 = 7,373.96/x
  3. Step 3: Cross multiply
    21,417.33x = 32,129.49 × 7,373.96
  4. Step 4: Simplify right side
    21,417.33x = 236,921,413.43
  5. Step 5: Solve for x
    x = 236,921,413.43/21,417.33
  6. Step 6: Final answer
    x = 11,062.14

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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.