Home / 22,664.42-31,278.92-12,594.90

Finding the Fourth Proportional to 22,664.42, 31,278.92 and 12,594.90

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Solution

The fourth proportional to 22,664.42, 31,278.92 and 12,594.90 is: 17,382.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,664.42 : 31,278.92 = 12,594.90 : x
  2. Step 2: Convert to fraction form
    22,664.42/31,278.92 = 12,594.90/x
  3. Step 3: Cross multiply
    22,664.42x = 31,278.92 × 12,594.90
  4. Step 4: Simplify right side
    22,664.42x = 393,954,806.53
  5. Step 5: Solve for x
    x = 393,954,806.53/22,664.42
  6. Step 6: Final answer
    x = 17,382.09

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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.