Home / 26,097.21-39,142.30-7,378.71

Finding the Fourth Proportional to 26,097.21, 39,142.30 and 7,378.71

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Solution

The fourth proportional to 26,097.21, 39,142.30 and 7,378.71 is: 11,067.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,097.21 : 39,142.30 = 7,378.71 : x
  2. Step 2: Convert to fraction form
    26,097.21/39,142.30 = 7,378.71/x
  3. Step 3: Cross multiply
    26,097.21x = 39,142.30 × 7,378.71
  4. Step 4: Simplify right side
    26,097.21x = 288,819,643.54
  5. Step 5: Solve for x
    x = 288,819,643.54/26,097.21
  6. Step 6: Final answer
    x = 11,067.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.