Home / 15,212.44-20,993.13-8,498.08

Finding the Fourth Proportional to 15,212.44, 20,993.13 and 8,498.08

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Solution

The fourth proportional to 15,212.44, 20,993.13 and 8,498.08 is: 11,727.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,212.44 : 20,993.13 = 8,498.08 : x
  2. Step 2: Convert to fraction form
    15,212.44/20,993.13 = 8,498.08/x
  3. Step 3: Cross multiply
    15,212.44x = 20,993.13 × 8,498.08
  4. Step 4: Simplify right side
    15,212.44x = 178,401,298.19
  5. Step 5: Solve for x
    x = 178,401,298.19/15,212.44
  6. Step 6: Final answer
    x = 11,727.33

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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.