Home / 15,820.28-23,738.88-10,272.32

Finding the Fourth Proportional to 15,820.28, 23,738.88 and 10,272.32

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Solution

The fourth proportional to 15,820.28, 23,738.88 and 10,272.32 is: 15,413.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,820.28 : 23,738.88 = 10,272.32 : x
  2. Step 2: Convert to fraction form
    15,820.28/23,738.88 = 10,272.32/x
  3. Step 3: Cross multiply
    15,820.28x = 23,738.88 × 10,272.32
  4. Step 4: Simplify right side
    15,820.28x = 243,853,371.80
  5. Step 5: Solve for x
    x = 243,853,371.80/15,820.28
  6. Step 6: Final answer
    x = 15,413.97

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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.