Home / 17,376.75-23,979.75-9,719.93

Finding the Fourth Proportional to 17,376.75, 23,979.75 and 9,719.93

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Solution

The fourth proportional to 17,376.75, 23,979.75 and 9,719.93 is: 13,413.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,376.75 : 23,979.75 = 9,719.93 : x
  2. Step 2: Convert to fraction form
    17,376.75/23,979.75 = 9,719.93/x
  3. Step 3: Cross multiply
    17,376.75x = 23,979.75 × 9,719.93
  4. Step 4: Simplify right side
    17,376.75x = 233,081,491.42
  5. Step 5: Solve for x
    x = 233,081,491.42/17,376.75
  6. Step 6: Final answer
    x = 13,413.41

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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.