Home / 22,187.44-30,618.56-12,627.36

Finding the Fourth Proportional to 22,187.44, 30,618.56 and 12,627.36

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Solution

The fourth proportional to 22,187.44, 30,618.56 and 12,627.36 is: 17,425.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,187.44 : 30,618.56 = 12,627.36 : x
  2. Step 2: Convert to fraction form
    22,187.44/30,618.56 = 12,627.36/x
  3. Step 3: Cross multiply
    22,187.44x = 30,618.56 × 12,627.36
  4. Step 4: Simplify right side
    22,187.44x = 386,631,579.80
  5. Step 5: Solve for x
    x = 386,631,579.80/22,187.44
  6. Step 6: Final answer
    x = 17,425.70

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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.