Home / 18,466.28-27,696.68-5,987.40

Finding the Fourth Proportional to 18,466.28, 27,696.68 and 5,987.40

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Solution

The fourth proportional to 18,466.28, 27,696.68 and 5,987.40 is: 8,980.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,466.28 : 27,696.68 = 5,987.40 : x
  2. Step 2: Convert to fraction form
    18,466.28/27,696.68 = 5,987.40/x
  3. Step 3: Cross multiply
    18,466.28x = 27,696.68 × 5,987.40
  4. Step 4: Simplify right side
    18,466.28x = 165,831,101.83
  5. Step 5: Solve for x
    x = 165,831,101.83/18,466.28
  6. Step 6: Final answer
    x = 8,980.21

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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.