Home / 23,511.11-32,413.91-20,139.48

Finding the Fourth Proportional to 23,511.11, 32,413.91 and 20,139.48

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Solution

The fourth proportional to 23,511.11, 32,413.91 and 20,139.48 is: 27,765.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,511.11 : 32,413.91 = 20,139.48 : x
  2. Step 2: Convert to fraction form
    23,511.11/32,413.91 = 20,139.48/x
  3. Step 3: Cross multiply
    23,511.11x = 32,413.91 × 20,139.48
  4. Step 4: Simplify right side
    23,511.11x = 652,799,191.47
  5. Step 5: Solve for x
    x = 652,799,191.47/23,511.11
  6. Step 6: Final answer
    x = 27,765.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.