Home / 20,263.36-27,963.33-11,767.57

Finding the Fourth Proportional to 20,263.36, 27,963.33 and 11,767.57

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Solution

The fourth proportional to 20,263.36, 27,963.33 and 11,767.57 is: 16,239.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263.36 : 27,963.33 = 11,767.57 : x
  2. Step 2: Convert to fraction form
    20,263.36/27,963.33 = 11,767.57/x
  3. Step 3: Cross multiply
    20,263.36x = 27,963.33 × 11,767.57
  4. Step 4: Simplify right side
    20,263.36x = 329,060,604.13
  5. Step 5: Solve for x
    x = 329,060,604.13/20,263.36
  6. Step 6: Final answer
    x = 16,239.19

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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.