Home / 22,236.10-30,685.69-12,675.56

Finding the Fourth Proportional to 22,236.10, 30,685.69 and 12,675.56

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Solution

The fourth proportional to 22,236.10, 30,685.69 and 12,675.56 is: 17,492.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,236.10 : 30,685.69 = 12,675.56 : x
  2. Step 2: Convert to fraction form
    22,236.10/30,685.69 = 12,675.56/x
  3. Step 3: Cross multiply
    22,236.10x = 30,685.69 × 12,675.56
  4. Step 4: Simplify right side
    22,236.10x = 388,958,304.74
  5. Step 5: Solve for x
    x = 388,958,304.74/22,236.10
  6. Step 6: Final answer
    x = 17,492.20

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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.