Home / 22,675.42-31,292.21-12,604.80

Finding the Fourth Proportional to 22,675.42, 31,292.21 and 12,604.80

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Solution

The fourth proportional to 22,675.42, 31,292.21 and 12,604.80 is: 17,394.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,675.42 : 31,292.21 = 12,604.80 : x
  2. Step 2: Convert to fraction form
    22,675.42/31,292.21 = 12,604.80/x
  3. Step 3: Cross multiply
    22,675.42x = 31,292.21 × 12,604.80
  4. Step 4: Simplify right side
    22,675.42x = 394,432,048.61
  5. Step 5: Solve for x
    x = 394,432,048.61/22,675.42
  6. Step 6: Final answer
    x = 17,394.70

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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.