Home / 22,244.12-30,696.88-12,172.56

Finding the Fourth Proportional to 22,244.12, 30,696.88 and 12,172.56

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Solution

The fourth proportional to 22,244.12, 30,696.88 and 12,172.56 is: 16,798.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,244.12 : 30,696.88 = 12,172.56 : x
  2. Step 2: Convert to fraction form
    22,244.12/30,696.88 = 12,172.56/x
  3. Step 3: Cross multiply
    22,244.12x = 30,696.88 × 12,172.56
  4. Step 4: Simplify right side
    22,244.12x = 373,659,613.61
  5. Step 5: Solve for x
    x = 373,659,613.61/22,244.12
  6. Step 6: Final answer
    x = 16,798.13

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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.