Home / 22,494.05-31,041.68-12,422.44

Finding the Fourth Proportional to 22,494.05, 31,041.68 and 12,422.44

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Solution

The fourth proportional to 22,494.05, 31,041.68 and 12,422.44 is: 17,142.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,494.05 : 31,041.68 = 12,422.44 : x
  2. Step 2: Convert to fraction form
    22,494.05/31,041.68 = 12,422.44/x
  3. Step 3: Cross multiply
    22,494.05x = 31,041.68 × 12,422.44
  4. Step 4: Simplify right side
    22,494.05x = 385,613,267.58
  5. Step 5: Solve for x
    x = 385,613,267.58/22,494.05
  6. Step 6: Final answer
    x = 17,142.90

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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.