Home / 18,896.56-28,346.40-5,749.04

Finding the Fourth Proportional to 18,896.56, 28,346.40 and 5,749.04

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Solution

The fourth proportional to 18,896.56, 28,346.40 and 5,749.04 is: 8,624.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,896.56 : 28,346.40 = 5,749.04 : x
  2. Step 2: Convert to fraction form
    18,896.56/28,346.40 = 5,749.04/x
  3. Step 3: Cross multiply
    18,896.56x = 28,346.40 × 5,749.04
  4. Step 4: Simplify right side
    18,896.56x = 162,964,587.46
  5. Step 5: Solve for x
    x = 162,964,587.46/18,896.56
  6. Step 6: Final answer
    x = 8,624.03

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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.