Home / 25,743.92-35,542.67-19,763.69

Finding the Fourth Proportional to 25,743.92, 35,542.67 and 19,763.69

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Solution

The fourth proportional to 25,743.92, 35,542.67 and 19,763.69 is: 27,286.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,743.92 : 35,542.67 = 19,763.69 : x
  2. Step 2: Convert to fraction form
    25,743.92/35,542.67 = 19,763.69/x
  3. Step 3: Cross multiply
    25,743.92x = 35,542.67 × 19,763.69
  4. Step 4: Simplify right side
    25,743.92x = 702,454,035.12
  5. Step 5: Solve for x
    x = 702,454,035.12/25,743.92
  6. Step 6: Final answer
    x = 27,286.22

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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.