Home / 18,099.96-27,154.19-5,619.34

Finding the Fourth Proportional to 18,099.96, 27,154.19 and 5,619.34

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Solution

The fourth proportional to 18,099.96, 27,154.19 and 5,619.34 is: 8,430.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,099.96 : 27,154.19 = 5,619.34 : x
  2. Step 2: Convert to fraction form
    18,099.96/27,154.19 = 5,619.34/x
  3. Step 3: Cross multiply
    18,099.96x = 27,154.19 × 5,619.34
  4. Step 4: Simplify right side
    18,099.96x = 152,588,626.03
  5. Step 5: Solve for x
    x = 152,588,626.03/18,099.96
  6. Step 6: Final answer
    x = 8,430.33

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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.