Home / 18,466.45-27,693.19-5,315.29

Finding the Fourth Proportional to 18,466.45, 27,693.19 and 5,315.29

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Solution

The fourth proportional to 18,466.45, 27,693.19 and 5,315.29 is: 7,971.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,466.45 : 27,693.19 = 5,315.29 : x
  2. Step 2: Convert to fraction form
    18,466.45/27,693.19 = 5,315.29/x
  3. Step 3: Cross multiply
    18,466.45x = 27,693.19 × 5,315.29
  4. Step 4: Simplify right side
    18,466.45x = 147,197,335.88
  5. Step 5: Solve for x
    x = 147,197,335.88/18,466.45
  6. Step 6: Final answer
    x = 7,971.07

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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.