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Finding the Fourth Proportional to 15,959.19, 23,959.98 and 13,634.13

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Solution

The fourth proportional to 15,959.19, 23,959.98 and 13,634.13 is: 20,469.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,959.19 : 23,959.98 = 13,634.13 : x
  2. Step 2: Convert to fraction form
    15,959.19/23,959.98 = 13,634.13/x
  3. Step 3: Cross multiply
    15,959.19x = 23,959.98 × 13,634.13
  4. Step 4: Simplify right side
    15,959.19x = 326,673,413.95
  5. Step 5: Solve for x
    x = 326,673,413.95/15,959.19
  6. Step 6: Final answer
    x = 20,469.30

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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.