Home / 17,905.11-26,855.61-4,758.49

Finding the Fourth Proportional to 17,905.11, 26,855.61 and 4,758.49

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Solution

The fourth proportional to 17,905.11, 26,855.61 and 4,758.49 is: 7,137.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,905.11 : 26,855.61 = 4,758.49 : x
  2. Step 2: Convert to fraction form
    17,905.11/26,855.61 = 4,758.49/x
  3. Step 3: Cross multiply
    17,905.11x = 26,855.61 × 4,758.49
  4. Step 4: Simplify right side
    17,905.11x = 127,792,151.63
  5. Step 5: Solve for x
    x = 127,792,151.63/17,905.11
  6. Step 6: Final answer
    x = 7,137.19

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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.