Home / 20,262.35-30,386.96-6,749.93

Finding the Fourth Proportional to 20,262.35, 30,386.96 and 6,749.93

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Solution

The fourth proportional to 20,262.35, 30,386.96 and 6,749.93 is: 10,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,262.35 : 30,386.96 = 6,749.93 : x
  2. Step 2: Convert to fraction form
    20,262.35/30,386.96 = 6,749.93/x
  3. Step 3: Cross multiply
    20,262.35x = 30,386.96 × 6,749.93
  4. Step 4: Simplify right side
    20,262.35x = 205,109,667.23
  5. Step 5: Solve for x
    x = 205,109,667.23/20,262.35
  6. Step 6: Final answer
    x = 10,122.70

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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.