Home / 13,749.96-20,624.94-7,902.84

Finding the Fourth Proportional to 13,749.96, 20,624.94 and 7,902.84

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Solution

The fourth proportional to 13,749.96, 20,624.94 and 7,902.84 is: 11,854.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749.96 : 20,624.94 = 7,902.84 : x
  2. Step 2: Convert to fraction form
    13,749.96/20,624.94 = 7,902.84/x
  3. Step 3: Cross multiply
    13,749.96x = 20,624.94 × 7,902.84
  4. Step 4: Simplify right side
    13,749.96x = 162,995,600.83
  5. Step 5: Solve for x
    x = 162,995,600.83/13,749.96
  6. Step 6: Final answer
    x = 11,854.26

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Similar ratio
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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.