Home / 15,809.78-23,718.19-4,716.66

Finding the Fourth Proportional to 15,809.78, 23,718.19 and 4,716.66

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Solution

The fourth proportional to 15,809.78, 23,718.19 and 4,716.66 is: 7,076.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,809.78 : 23,718.19 = 4,716.66 : x
  2. Step 2: Convert to fraction form
    15,809.78/23,718.19 = 4,716.66/x
  3. Step 3: Cross multiply
    15,809.78x = 23,718.19 × 4,716.66
  4. Step 4: Simplify right side
    15,809.78x = 111,870,638.05
  5. Step 5: Solve for x
    x = 111,870,638.05/15,809.78
  6. Step 6: Final answer
    x = 7,076.04

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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.