Home / 19,847.87-27,390.03-10,895.39

Finding the Fourth Proportional to 19,847.87, 27,390.03 and 10,895.39

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Solution

The fourth proportional to 19,847.87, 27,390.03 and 10,895.39 is: 15,035.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,847.87 : 27,390.03 = 10,895.39 : x
  2. Step 2: Convert to fraction form
    19,847.87/27,390.03 = 10,895.39/x
  3. Step 3: Cross multiply
    19,847.87x = 27,390.03 × 10,895.39
  4. Step 4: Simplify right side
    19,847.87x = 298,425,058.96
  5. Step 5: Solve for x
    x = 298,425,058.96/19,847.87
  6. Step 6: Final answer
    x = 15,035.62

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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.