Home / 25,603.31-38,369.05-9,791.30

Finding the Fourth Proportional to 25,603.31, 38,369.05 and 9,791.30

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Solution

The fourth proportional to 25,603.31, 38,369.05 and 9,791.30 is: 14,673.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,603.31 : 38,369.05 = 9,791.30 : x
  2. Step 2: Convert to fraction form
    25,603.31/38,369.05 = 9,791.30/x
  3. Step 3: Cross multiply
    25,603.31x = 38,369.05 × 9,791.30
  4. Step 4: Simplify right side
    25,603.31x = 375,682,879.27
  5. Step 5: Solve for x
    x = 375,682,879.27/25,603.31
  6. Step 6: Final answer
    x = 14,673.22

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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.