Home / 20,004.40-27,605.92-11,052.16

Finding the Fourth Proportional to 20,004.40, 27,605.92 and 11,052.16

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Solution

The fourth proportional to 20,004.40, 27,605.92 and 11,052.16 is: 15,251.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,004.40 : 27,605.92 = 11,052.16 : x
  2. Step 2: Convert to fraction form
    20,004.40/27,605.92 = 11,052.16/x
  3. Step 3: Cross multiply
    20,004.40x = 27,605.92 × 11,052.16
  4. Step 4: Simplify right side
    20,004.40x = 305,105,044.79
  5. Step 5: Solve for x
    x = 305,105,044.79/20,004.40
  6. Step 6: Final answer
    x = 15,251.90

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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.