Home / 19,944.14-27,512.80-15,220.22

Finding the Fourth Proportional to 19,944.14, 27,512.80 and 15,220.22

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Solution

The fourth proportional to 19,944.14, 27,512.80 and 15,220.22 is: 20,996.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,944.14 : 27,512.80 = 15,220.22 : x
  2. Step 2: Convert to fraction form
    19,944.14/27,512.80 = 15,220.22/x
  3. Step 3: Cross multiply
    19,944.14x = 27,512.80 × 15,220.22
  4. Step 4: Simplify right side
    19,944.14x = 418,750,693.20
  5. Step 5: Solve for x
    x = 418,750,693.20/19,944.14
  6. Step 6: Final answer
    x = 20,996.18

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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.