Home / 17,812.96-26,721.02-4,665.28

Finding the Fourth Proportional to 17,812.96, 26,721.02 and 4,665.28

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Solution

The fourth proportional to 17,812.96, 26,721.02 and 4,665.28 is: 6,998.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,812.96 : 26,721.02 = 4,665.28 : x
  2. Step 2: Convert to fraction form
    17,812.96/26,721.02 = 4,665.28/x
  3. Step 3: Cross multiply
    17,812.96x = 26,721.02 × 4,665.28
  4. Step 4: Simplify right side
    17,812.96x = 124,661,040.19
  5. Step 5: Solve for x
    x = 124,661,040.19/17,812.96
  6. Step 6: Final answer
    x = 6,998.33

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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.