Home / 25,315.24-34,935.78-14,137

Finding the Fourth Proportional to 25,315.24, 34,935.78 and 14,137

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Solution

The fourth proportional to 25,315.24, 34,935.78 and 14,137 is: 19,509.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,315.24 : 34,935.78 = 14,137 : x
  2. Step 2: Convert to fraction form
    25,315.24/34,935.78 = 14,137/x
  3. Step 3: Cross multiply
    25,315.24x = 34,935.78 × 14,137
  4. Step 4: Simplify right side
    25,315.24x = 493,887,121.86
  5. Step 5: Solve for x
    x = 493,887,121.86/25,315.24
  6. Step 6: Final answer
    x = 19,509.48

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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.