Home / 15,109.06-22,660.15-5,745.75

Finding the Fourth Proportional to 15,109.06, 22,660.15 and 5,745.75

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Solution

The fourth proportional to 15,109.06, 22,660.15 and 5,745.75 is: 8,617.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,109.06 : 22,660.15 = 5,745.75 : x
  2. Step 2: Convert to fraction form
    15,109.06/22,660.15 = 5,745.75/x
  3. Step 3: Cross multiply
    15,109.06x = 22,660.15 × 5,745.75
  4. Step 4: Simplify right side
    15,109.06x = 130,199,556.86
  5. Step 5: Solve for x
    x = 130,199,556.86/15,109.06
  6. Step 6: Final answer
    x = 8,617.32

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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.