Home / 25,468.78-35,146.36-14,137.61

Finding the Fourth Proportional to 25,468.78, 35,146.36 and 14,137.61

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Solution

The fourth proportional to 25,468.78, 35,146.36 and 14,137.61 is: 19,509.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,468.78 : 35,146.36 = 14,137.61 : x
  2. Step 2: Convert to fraction form
    25,468.78/35,146.36 = 14,137.61/x
  3. Step 3: Cross multiply
    25,468.78x = 35,146.36 × 14,137.61
  4. Step 4: Simplify right side
    25,468.78x = 496,885,530.60
  5. Step 5: Solve for x
    x = 496,885,530.60/25,468.78
  6. Step 6: Final answer
    x = 19,509.59

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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.