Home / 15,317.88-22,873.06-12,162.48

Finding the Fourth Proportional to 15,317.88, 22,873.06 and 12,162.48

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Solution

The fourth proportional to 15,317.88, 22,873.06 and 12,162.48 is: 18,161.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,317.88 : 22,873.06 = 12,162.48 : x
  2. Step 2: Convert to fraction form
    15,317.88/22,873.06 = 12,162.48/x
  3. Step 3: Cross multiply
    15,317.88x = 22,873.06 × 12,162.48
  4. Step 4: Simplify right side
    15,317.88x = 278,193,104.38
  5. Step 5: Solve for x
    x = 278,193,104.38/15,317.88
  6. Step 6: Final answer
    x = 18,161.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.