Home / 17,821.28-26,728.27-6,135.41

Finding the Fourth Proportional to 17,821.28, 26,728.27 and 6,135.41

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Solution

The fourth proportional to 17,821.28, 26,728.27 and 6,135.41 is: 9,201.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,821.28 : 26,728.27 = 6,135.41 : x
  2. Step 2: Convert to fraction form
    17,821.28/26,728.27 = 6,135.41/x
  3. Step 3: Cross multiply
    17,821.28x = 26,728.27 × 6,135.41
  4. Step 4: Simplify right side
    17,821.28x = 163,988,746.06
  5. Step 5: Solve for x
    x = 163,988,746.06/17,821.28
  6. Step 6: Final answer
    x = 9,201.85

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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.