Home / 18,053.53-27,078.50-5,570.17

Finding the Fourth Proportional to 18,053.53, 27,078.50 and 5,570.17

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Solution

The fourth proportional to 18,053.53, 27,078.50 and 5,570.17 is: 8,354.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,053.53 : 27,078.50 = 5,570.17 : x
  2. Step 2: Convert to fraction form
    18,053.53/27,078.50 = 5,570.17/x
  3. Step 3: Cross multiply
    18,053.53x = 27,078.50 × 5,570.17
  4. Step 4: Simplify right side
    18,053.53x = 150,831,794.57
  5. Step 5: Solve for x
    x = 150,831,794.57/18,053.53
  6. Step 6: Final answer
    x = 8,354.70

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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.