Home / 17,812.38-26,720.13-4,664.76

Finding the Fourth Proportional to 17,812.38, 26,720.13 and 4,664.76

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Solution

The fourth proportional to 17,812.38, 26,720.13 and 4,664.76 is: 6,997.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,812.38 : 26,720.13 = 4,664.76 : x
  2. Step 2: Convert to fraction form
    17,812.38/26,720.13 = 4,664.76/x
  3. Step 3: Cross multiply
    17,812.38x = 26,720.13 × 4,664.76
  4. Step 4: Simplify right side
    17,812.38x = 124,642,993.62
  5. Step 5: Solve for x
    x = 124,642,993.62/17,812.38
  6. Step 6: Final answer
    x = 6,997.55

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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.