Home / 20,251.03-27,948.59-11,301.64

Finding the Fourth Proportional to 20,251.03, 27,948.59 and 11,301.64

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Solution

The fourth proportional to 20,251.03, 27,948.59 and 11,301.64 is: 15,597.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251.03 : 27,948.59 = 11,301.64 : x
  2. Step 2: Convert to fraction form
    20,251.03/27,948.59 = 11,301.64/x
  3. Step 3: Cross multiply
    20,251.03x = 27,948.59 × 11,301.64
  4. Step 4: Simplify right side
    20,251.03x = 315,864,902.69
  5. Step 5: Solve for x
    x = 315,864,902.69/20,251.03
  6. Step 6: Final answer
    x = 15,597.47

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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.