Home / 18,658.45-25,748.35-10,274.95

Finding the Fourth Proportional to 18,658.45, 25,748.35 and 10,274.95

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Solution

The fourth proportional to 18,658.45, 25,748.35 and 10,274.95 is: 14,179.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,658.45 : 25,748.35 = 10,274.95 : x
  2. Step 2: Convert to fraction form
    18,658.45/25,748.35 = 10,274.95/x
  3. Step 3: Cross multiply
    18,658.45x = 25,748.35 × 10,274.95
  4. Step 4: Simplify right side
    18,658.45x = 264,563,008.83
  5. Step 5: Solve for x
    x = 264,563,008.83/18,658.45
  6. Step 6: Final answer
    x = 14,179.26

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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.