Home / 20,023.44-27,631.89-11,071.02

Finding the Fourth Proportional to 20,023.44, 27,631.89 and 11,071.02

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Solution

The fourth proportional to 20,023.44, 27,631.89 and 11,071.02 is: 15,277.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.44 : 27,631.89 = 11,071.02 : x
  2. Step 2: Convert to fraction form
    20,023.44/27,631.89 = 11,071.02/x
  3. Step 3: Cross multiply
    20,023.44x = 27,631.89 × 11,071.02
  4. Step 4: Simplify right side
    20,023.44x = 305,913,013.31
  5. Step 5: Solve for x
    x = 305,913,013.31/20,023.44
  6. Step 6: Final answer
    x = 15,277.75

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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.