Home / 22,439.14-30,964.75-12,367.55

Finding the Fourth Proportional to 22,439.14, 30,964.75 and 12,367.55

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Solution

The fourth proportional to 22,439.14, 30,964.75 and 12,367.55 is: 17,066.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,439.14 : 30,964.75 = 12,367.55 : x
  2. Step 2: Convert to fraction form
    22,439.14/30,964.75 = 12,367.55/x
  3. Step 3: Cross multiply
    22,439.14x = 30,964.75 × 12,367.55
  4. Step 4: Simplify right side
    22,439.14x = 382,958,093.86
  5. Step 5: Solve for x
    x = 382,958,093.86/22,439.14
  6. Step 6: Final answer
    x = 17,066.52

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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.