Home / 18,537.53-27,806.30-4,686.53

Finding the Fourth Proportional to 18,537.53, 27,806.30 and 4,686.53

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Solution

The fourth proportional to 18,537.53, 27,806.30 and 4,686.53 is: 7,029.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,537.53 : 27,806.30 = 4,686.53 : x
  2. Step 2: Convert to fraction form
    18,537.53/27,806.30 = 4,686.53/x
  3. Step 3: Cross multiply
    18,537.53x = 27,806.30 × 4,686.53
  4. Step 4: Simplify right side
    18,537.53x = 130,315,035.71
  5. Step 5: Solve for x
    x = 130,315,035.71/18,537.53
  6. Step 6: Final answer
    x = 7,029.80

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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.