Home / 20,250.06-27,943.75-12,696.06

Finding the Fourth Proportional to 20,250.06, 27,943.75 and 12,696.06

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Solution

The fourth proportional to 20,250.06, 27,943.75 and 12,696.06 is: 17,519.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250.06 : 27,943.75 = 12,696.06 : x
  2. Step 2: Convert to fraction form
    20,250.06/27,943.75 = 12,696.06/x
  3. Step 3: Cross multiply
    20,250.06x = 27,943.75 × 12,696.06
  4. Step 4: Simplify right side
    20,250.06x = 354,775,526.63
  5. Step 5: Solve for x
    x = 354,775,526.63/20,250.06
  6. Step 6: Final answer
    x = 17,519.73

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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.