Home / 22,110.72-30,512.59-12,039.13

Finding the Fourth Proportional to 22,110.72, 30,512.59 and 12,039.13

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Solution

The fourth proportional to 22,110.72, 30,512.59 and 12,039.13 is: 16,613.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,110.72 : 30,512.59 = 12,039.13 : x
  2. Step 2: Convert to fraction form
    22,110.72/30,512.59 = 12,039.13/x
  3. Step 3: Cross multiply
    22,110.72x = 30,512.59 × 12,039.13
  4. Step 4: Simplify right side
    22,110.72x = 367,345,037.65
  5. Step 5: Solve for x
    x = 367,345,037.65/22,110.72
  6. Step 6: Final answer
    x = 16,613.89

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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.