Home / 20,013.51-27,619.04-11,061.39

Finding the Fourth Proportional to 20,013.51, 27,619.04 and 11,061.39

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Solution

The fourth proportional to 20,013.51, 27,619.04 and 11,061.39 is: 15,264.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,013.51 : 27,619.04 = 11,061.39 : x
  2. Step 2: Convert to fraction form
    20,013.51/27,619.04 = 11,061.39/x
  3. Step 3: Cross multiply
    20,013.51x = 27,619.04 × 11,061.39
  4. Step 4: Simplify right side
    20,013.51x = 305,504,972.87
  5. Step 5: Solve for x
    x = 305,504,972.87/20,013.51
  6. Step 6: Final answer
    x = 15,264.94

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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.