Home / 15,023.96-20,708.22-11,291.48

Finding the Fourth Proportional to 15,023.96, 20,708.22 and 11,291.48

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Solution

The fourth proportional to 15,023.96, 20,708.22 and 11,291.48 is: 15,563.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,023.96 : 20,708.22 = 11,291.48 : x
  2. Step 2: Convert to fraction form
    15,023.96/20,708.22 = 11,291.48/x
  3. Step 3: Cross multiply
    15,023.96x = 20,708.22 × 11,291.48
  4. Step 4: Simplify right side
    15,023.96x = 233,826,451.97
  5. Step 5: Solve for x
    x = 233,826,451.97/15,023.96
  6. Step 6: Final answer
    x = 15,563.57

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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.