Home / 18,291.84-27,439.59-4,965.05

Finding the Fourth Proportional to 18,291.84, 27,439.59 and 4,965.05

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Solution

The fourth proportional to 18,291.84, 27,439.59 and 4,965.05 is: 7,448.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291.84 : 27,439.59 = 4,965.05 : x
  2. Step 2: Convert to fraction form
    18,291.84/27,439.59 = 4,965.05/x
  3. Step 3: Cross multiply
    18,291.84x = 27,439.59 × 4,965.05
  4. Step 4: Simplify right side
    18,291.84x = 136,238,995.62
  5. Step 5: Solve for x
    x = 136,238,995.62/18,291.84
  6. Step 6: Final answer
    x = 7,448.08

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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.