Home / 22,295.10-30,766.80-12,223.56

Finding the Fourth Proportional to 22,295.10, 30,766.80 and 12,223.56

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Solution

The fourth proportional to 22,295.10, 30,766.80 and 12,223.56 is: 16,868.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,295.10 : 30,766.80 = 12,223.56 : x
  2. Step 2: Convert to fraction form
    22,295.10/30,766.80 = 12,223.56/x
  3. Step 3: Cross multiply
    22,295.10x = 30,766.80 × 12,223.56
  4. Step 4: Simplify right side
    22,295.10x = 376,079,825.81
  5. Step 5: Solve for x
    x = 376,079,825.81/22,295.10
  6. Step 6: Final answer
    x = 16,868.27

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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.