Home / 20,084.90-27,721.04-11,592.52

Finding the Fourth Proportional to 20,084.90, 27,721.04 and 11,592.52

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Solution

The fourth proportional to 20,084.90, 27,721.04 and 11,592.52 is: 15,999.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,084.90 : 27,721.04 = 11,592.52 : x
  2. Step 2: Convert to fraction form
    20,084.90/27,721.04 = 11,592.52/x
  3. Step 3: Cross multiply
    20,084.90x = 27,721.04 × 11,592.52
  4. Step 4: Simplify right side
    20,084.90x = 321,356,583.36
  5. Step 5: Solve for x
    x = 321,356,583.36/20,084.90
  6. Step 6: Final answer
    x = 15,999.91

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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.