Home / 18,058.84-27,090.86-5,579.96

Finding the Fourth Proportional to 18,058.84, 27,090.86 and 5,579.96

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Solution

The fourth proportional to 18,058.84, 27,090.86 and 5,579.96 is: 8,370.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,058.84 : 27,090.86 = 5,579.96 : x
  2. Step 2: Convert to fraction form
    18,058.84/27,090.86 = 5,579.96/x
  3. Step 3: Cross multiply
    18,058.84x = 27,090.86 × 5,579.96
  4. Step 4: Simplify right side
    18,058.84x = 151,165,751.81
  5. Step 5: Solve for x
    x = 151,165,751.81/18,058.84
  6. Step 6: Final answer
    x = 8,370.74

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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.