Home / 22,112.96-30,514.08-12,176.96

Finding the Fourth Proportional to 22,112.96, 30,514.08 and 12,176.96

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Solution

The fourth proportional to 22,112.96, 30,514.08 and 12,176.96 is: 16,803.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,112.96 : 30,514.08 = 12,176.96 : x
  2. Step 2: Convert to fraction form
    22,112.96/30,514.08 = 12,176.96/x
  3. Step 3: Cross multiply
    22,112.96x = 30,514.08 × 12,176.96
  4. Step 4: Simplify right side
    22,112.96x = 371,568,731.60
  5. Step 5: Solve for x
    x = 371,568,731.60/22,112.96
  6. Step 6: Final answer
    x = 16,803.21

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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.