Home / 18,746.06-28,115.27-6,895.76

Finding the Fourth Proportional to 18,746.06, 28,115.27 and 6,895.76

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Solution

The fourth proportional to 18,746.06, 28,115.27 and 6,895.76 is: 10,342.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,746.06 : 28,115.27 = 6,895.76 : x
  2. Step 2: Convert to fraction form
    18,746.06/28,115.27 = 6,895.76/x
  3. Step 3: Cross multiply
    18,746.06x = 28,115.27 × 6,895.76
  4. Step 4: Simplify right side
    18,746.06x = 193,876,119.78
  5. Step 5: Solve for x
    x = 193,876,119.78/18,746.06
  6. Step 6: Final answer
    x = 10,342.23

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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.