Home / 25,747.93-35,548.20-19,767.70

Finding the Fourth Proportional to 25,747.93, 35,548.20 and 19,767.70

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Solution

The fourth proportional to 25,747.93, 35,548.20 and 19,767.70 is: 27,291.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,747.93 : 35,548.20 = 19,767.70 : x
  2. Step 2: Convert to fraction form
    25,747.93/35,548.20 = 19,767.70/x
  3. Step 3: Cross multiply
    25,747.93x = 35,548.20 × 19,767.70
  4. Step 4: Simplify right side
    25,747.93x = 702,706,153.14
  5. Step 5: Solve for x
    x = 702,706,153.14/25,747.93
  6. Step 6: Final answer
    x = 27,291.75

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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.