Home / 14,249.52-19,664.37-7,876.58

Finding the Fourth Proportional to 14,249.52, 19,664.37 and 7,876.58

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Solution

The fourth proportional to 14,249.52, 19,664.37 and 7,876.58 is: 10,869.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.52 : 19,664.37 = 7,876.58 : x
  2. Step 2: Convert to fraction form
    14,249.52/19,664.37 = 7,876.58/x
  3. Step 3: Cross multiply
    14,249.52x = 19,664.37 × 7,876.58
  4. Step 4: Simplify right side
    14,249.52x = 154,887,885.13
  5. Step 5: Solve for x
    x = 154,887,885.13/14,249.52
  6. Step 6: Final answer
    x = 10,869.69

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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.