Home / 12,949.13-19,424.11-3,588.35

Finding the Fourth Proportional to 12,949.13, 19,424.11 and 3,588.35

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Solution

The fourth proportional to 12,949.13, 19,424.11 and 3,588.35 is: 5,382.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949.13 : 19,424.11 = 3,588.35 : x
  2. Step 2: Convert to fraction form
    12,949.13/19,424.11 = 3,588.35/x
  3. Step 3: Cross multiply
    12,949.13x = 19,424.11 × 3,588.35
  4. Step 4: Simplify right side
    12,949.13x = 69,700,505.12
  5. Step 5: Solve for x
    x = 69,700,505.12/12,949.13
  6. Step 6: Final answer
    x = 5,382.64

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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.