Home / 20,202.73-27,881.71-11,250.23

Finding the Fourth Proportional to 20,202.73, 27,881.71 and 11,250.23

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Solution

The fourth proportional to 20,202.73, 27,881.71 and 11,250.23 is: 15,526.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202.73 : 27,881.71 = 11,250.23 : x
  2. Step 2: Convert to fraction form
    20,202.73/27,881.71 = 11,250.23/x
  3. Step 3: Cross multiply
    20,202.73x = 27,881.71 × 11,250.23
  4. Step 4: Simplify right side
    20,202.73x = 313,675,594.04
  5. Step 5: Solve for x
    x = 313,675,594.04/20,202.73
  6. Step 6: Final answer
    x = 15,526.40

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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.