Home / 18,898.22-26,081.12-10,401.95

Finding the Fourth Proportional to 18,898.22, 26,081.12 and 10,401.95

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Solution

The fourth proportional to 18,898.22, 26,081.12 and 10,401.95 is: 14,355.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,898.22 : 26,081.12 = 10,401.95 : x
  2. Step 2: Convert to fraction form
    18,898.22/26,081.12 = 10,401.95/x
  3. Step 3: Cross multiply
    18,898.22x = 26,081.12 × 10,401.95
  4. Step 4: Simplify right side
    18,898.22x = 271,294,597.39
  5. Step 5: Solve for x
    x = 271,294,597.39/18,898.22
  6. Step 6: Final answer
    x = 14,355.56

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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.