Home / 22,452.45-30,983.66-12,381.31

Finding the Fourth Proportional to 22,452.45, 30,983.66 and 12,381.31

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Solution

The fourth proportional to 22,452.45, 30,983.66 and 12,381.31 is: 17,085.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,452.45 : 30,983.66 = 12,381.31 : x
  2. Step 2: Convert to fraction form
    22,452.45/30,983.66 = 12,381.31/x
  3. Step 3: Cross multiply
    22,452.45x = 30,983.66 × 12,381.31
  4. Step 4: Simplify right side
    22,452.45x = 383,618,369.08
  5. Step 5: Solve for x
    x = 383,618,369.08/22,452.45
  6. Step 6: Final answer
    x = 17,085.82

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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.