Home / 14,935.78-22,381.80-9,078.27

Finding the Fourth Proportional to 14,935.78, 22,381.80 and 9,078.27

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Solution

The fourth proportional to 14,935.78, 22,381.80 and 9,078.27 is: 13,604.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,935.78 : 22,381.80 = 9,078.27 : x
  2. Step 2: Convert to fraction form
    14,935.78/22,381.80 = 9,078.27/x
  3. Step 3: Cross multiply
    14,935.78x = 22,381.80 × 9,078.27
  4. Step 4: Simplify right side
    14,935.78x = 203,188,023.49
  5. Step 5: Solve for x
    x = 203,188,023.49/14,935.78
  6. Step 6: Final answer
    x = 13,604.11

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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.