Home / 15,296.94-22,919.49-12,186.54

Finding the Fourth Proportional to 15,296.94, 22,919.49 and 12,186.54

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Solution

The fourth proportional to 15,296.94, 22,919.49 and 12,186.54 is: 18,259.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,296.94 : 22,919.49 = 12,186.54 : x
  2. Step 2: Convert to fraction form
    15,296.94/22,919.49 = 12,186.54/x
  3. Step 3: Cross multiply
    15,296.94x = 22,919.49 × 12,186.54
  4. Step 4: Simplify right side
    15,296.94x = 279,309,281.66
  5. Step 5: Solve for x
    x = 279,309,281.66/15,296.94
  6. Step 6: Final answer
    x = 18,259.16

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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.