Home / 17,678.22-24,395.28-9,719.97

Finding the Fourth Proportional to 17,678.22, 24,395.28 and 9,719.97

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Solution

The fourth proportional to 17,678.22, 24,395.28 and 9,719.97 is: 13,413.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,678.22 : 24,395.28 = 9,719.97 : x
  2. Step 2: Convert to fraction form
    17,678.22/24,395.28 = 9,719.97/x
  3. Step 3: Cross multiply
    17,678.22x = 24,395.28 × 9,719.97
  4. Step 4: Simplify right side
    17,678.22x = 237,121,389.74
  5. Step 5: Solve for x
    x = 237,121,389.74/17,678.22
  6. Step 6: Final answer
    x = 13,413.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.