Home / 18,389.03-27,581.11-5,062.30

Finding the Fourth Proportional to 18,389.03, 27,581.11 and 5,062.30

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Solution

The fourth proportional to 18,389.03, 27,581.11 and 5,062.30 is: 7,592.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389.03 : 27,581.11 = 5,062.30 : x
  2. Step 2: Convert to fraction form
    18,389.03/27,581.11 = 5,062.30/x
  3. Step 3: Cross multiply
    18,389.03x = 27,581.11 × 5,062.30
  4. Step 4: Simplify right side
    18,389.03x = 139,623,771.54
  5. Step 5: Solve for x
    x = 139,623,771.54/18,389.03
  6. Step 6: Final answer
    x = 7,592.78

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1.5x scale

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.