Home / 22,438.92-30,965.68-12,367.36

Finding the Fourth Proportional to 22,438.92, 30,965.68 and 12,367.36

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Solution

The fourth proportional to 22,438.92, 30,965.68 and 12,367.36 is: 17,066.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,438.92 : 30,965.68 = 12,367.36 : x
  2. Step 2: Convert to fraction form
    22,438.92/30,965.68 = 12,367.36/x
  3. Step 3: Cross multiply
    22,438.92x = 30,965.68 × 12,367.36
  4. Step 4: Simplify right side
    22,438.92x = 382,963,712.20
  5. Step 5: Solve for x
    x = 382,963,712.20/22,438.92
  6. Step 6: Final answer
    x = 17,066.94

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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.