Home / 25,729.06-35,522.94-19,791.76

Finding the Fourth Proportional to 25,729.06, 35,522.94 and 19,791.76

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Solution

The fourth proportional to 25,729.06, 35,522.94 and 19,791.76 is: 27,325.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,729.06 : 35,522.94 = 19,791.76 : x
  2. Step 2: Convert to fraction form
    25,729.06/35,522.94 = 19,791.76/x
  3. Step 3: Cross multiply
    25,729.06x = 35,522.94 × 19,791.76
  4. Step 4: Simplify right side
    25,729.06x = 703,061,502.97
  5. Step 5: Solve for x
    x = 703,061,502.97/25,729.06
  6. Step 6: Final answer
    x = 27,325.58

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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.