Home / 22,524.22-31,083.42-12,315.28

Finding the Fourth Proportional to 22,524.22, 31,083.42 and 12,315.28

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Solution

The fourth proportional to 22,524.22, 31,083.42 and 12,315.28 is: 16,995.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,524.22 : 31,083.42 = 12,315.28 : x
  2. Step 2: Convert to fraction form
    22,524.22/31,083.42 = 12,315.28/x
  3. Step 3: Cross multiply
    22,524.22x = 31,083.42 × 12,315.28
  4. Step 4: Simplify right side
    22,524.22x = 382,801,020.66
  5. Step 5: Solve for x
    x = 382,801,020.66/22,524.22
  6. Step 6: Final answer
    x = 16,995.08

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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.