Home / 14,249.55-19,664.27-7,876.56

Finding the Fourth Proportional to 14,249.55, 19,664.27 and 7,876.56

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Solution

The fourth proportional to 14,249.55, 19,664.27 and 7,876.56 is: 10,869.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.55 : 19,664.27 = 7,876.56 : x
  2. Step 2: Convert to fraction form
    14,249.55/19,664.27 = 7,876.56/x
  3. Step 3: Cross multiply
    14,249.55x = 19,664.27 × 7,876.56
  4. Step 4: Simplify right side
    14,249.55x = 154,886,664.81
  5. Step 5: Solve for x
    x = 154,886,664.81/14,249.55
  6. Step 6: Final answer
    x = 10,869.59

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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.