Home / 25,778.34-35,540.91-16,687.58

Finding the Fourth Proportional to 25,778.34, 35,540.91 and 16,687.58

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Solution

The fourth proportional to 25,778.34, 35,540.91 and 16,687.58 is: 23,007.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,778.34 : 35,540.91 = 16,687.58 : x
  2. Step 2: Convert to fraction form
    25,778.34/35,540.91 = 16,687.58/x
  3. Step 3: Cross multiply
    25,778.34x = 35,540.91 × 16,687.58
  4. Step 4: Simplify right side
    25,778.34x = 593,091,601.19
  5. Step 5: Solve for x
    x = 593,091,601.19/25,778.34
  6. Step 6: Final answer
    x = 23,007.36

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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.