Home / 25,801.72-35,613.74-15,197.47

Finding the Fourth Proportional to 25,801.72, 35,613.74 and 15,197.47

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Solution

The fourth proportional to 25,801.72, 35,613.74 and 15,197.47 is: 20,976.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,801.72 : 35,613.74 = 15,197.47 : x
  2. Step 2: Convert to fraction form
    25,801.72/35,613.74 = 15,197.47/x
  3. Step 3: Cross multiply
    25,801.72x = 35,613.74 × 15,197.47
  4. Step 4: Simplify right side
    25,801.72x = 541,238,745.24
  5. Step 5: Solve for x
    x = 541,238,745.24/25,801.72
  6. Step 6: Final answer
    x = 20,976.85

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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.