Home / 15,726.91-23,591.85-5,197

Finding the Fourth Proportional to 15,726.91, 23,591.85 and 5,197

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Solution

The fourth proportional to 15,726.91, 23,591.85 and 5,197 is: 7,795.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,726.91 : 23,591.85 = 5,197 : x
  2. Step 2: Convert to fraction form
    15,726.91/23,591.85 = 5,197/x
  3. Step 3: Cross multiply
    15,726.91x = 23,591.85 × 5,197
  4. Step 4: Simplify right side
    15,726.91x = 122,606,844.45
  5. Step 5: Solve for x
    x = 122,606,844.45/15,726.91
  6. Step 6: Final answer
    x = 7,795.99

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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.