Home / 20,192.33-27,806.63-15,708.53

Finding the Fourth Proportional to 20,192.33, 27,806.63 and 15,708.53

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Solution

The fourth proportional to 20,192.33, 27,806.63 and 15,708.53 is: 21,632.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192.33 : 27,806.63 = 15,708.53 : x
  2. Step 2: Convert to fraction form
    20,192.33/27,806.63 = 15,708.53/x
  3. Step 3: Cross multiply
    20,192.33x = 27,806.63 × 15,708.53
  4. Step 4: Simplify right side
    20,192.33x = 436,801,272.53
  5. Step 5: Solve for x
    x = 436,801,272.53/20,192.33
  6. Step 6: Final answer
    x = 21,632.04

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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.