Home / 13,867.58-19,137.27-7,579.96

Finding the Fourth Proportional to 13,867.58, 19,137.27 and 7,579.96

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Solution

The fourth proportional to 13,867.58, 19,137.27 and 7,579.96 is: 10,460.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,867.58 : 19,137.27 = 7,579.96 : x
  2. Step 2: Convert to fraction form
    13,867.58/19,137.27 = 7,579.96/x
  3. Step 3: Cross multiply
    13,867.58x = 19,137.27 × 7,579.96
  4. Step 4: Simplify right side
    13,867.58x = 145,059,645.42
  5. Step 5: Solve for x
    x = 145,059,645.42/13,867.58
  6. Step 6: Final answer
    x = 10,460.34

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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.