Home / 25,778.40-35,591.33-19,799.38

Finding the Fourth Proportional to 25,778.40, 35,591.33 and 19,799.38

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Solution

The fourth proportional to 25,778.40, 35,591.33 and 19,799.38 is: 27,336.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,778.40 : 35,591.33 = 19,799.38 : x
  2. Step 2: Convert to fraction form
    25,778.40/35,591.33 = 19,799.38/x
  3. Step 3: Cross multiply
    25,778.40x = 35,591.33 × 19,799.38
  4. Step 4: Simplify right side
    25,778.40x = 704,686,267.38
  5. Step 5: Solve for x
    x = 704,686,267.38/25,778.40
  6. Step 6: Final answer
    x = 27,336.31

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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.