Home / 21,609.13-32,413.69-5,193.13

Finding the Fourth Proportional to 21,609.13, 32,413.69 and 5,193.13

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Solution

The fourth proportional to 21,609.13, 32,413.69 and 5,193.13 is: 7,789.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,609.13 : 32,413.69 = 5,193.13 : x
  2. Step 2: Convert to fraction form
    21,609.13/32,413.69 = 5,193.13/x
  3. Step 3: Cross multiply
    21,609.13x = 32,413.69 × 5,193.13
  4. Step 4: Simplify right side
    21,609.13x = 168,328,505.95
  5. Step 5: Solve for x
    x = 168,328,505.95/21,609.13
  6. Step 6: Final answer
    x = 7,789.69

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1.5x scale

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.