Home / 18,399.36-27,582.40-6,709.84

Finding the Fourth Proportional to 18,399.36, 27,582.40 and 6,709.84

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Solution

The fourth proportional to 18,399.36, 27,582.40 and 6,709.84 is: 10,058.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,399.36 : 27,582.40 = 6,709.84 : x
  2. Step 2: Convert to fraction form
    18,399.36/27,582.40 = 6,709.84/x
  3. Step 3: Cross multiply
    18,399.36x = 27,582.40 × 6,709.84
  4. Step 4: Simplify right side
    18,399.36x = 185,073,490.82
  5. Step 5: Solve for x
    x = 185,073,490.82/18,399.36
  6. Step 6: Final answer
    x = 10,058.69

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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.