Home / 17,621-24,314.75-9,661.13

Finding the Fourth Proportional to 17,621, 24,314.75 and 9,661.13

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Solution

The fourth proportional to 17,621, 24,314.75 and 9,661.13 is: 13,331.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,621 : 24,314.75 = 9,661.13 : x
  2. Step 2: Convert to fraction form
    17,621/24,314.75 = 9,661.13/x
  3. Step 3: Cross multiply
    17,621x = 24,314.75 × 9,661.13
  4. Step 4: Simplify right side
    17,621x = 234,907,912.36
  5. Step 5: Solve for x
    x = 234,907,912.36/17,621
  6. Step 6: Final answer
    x = 13,331.13

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1.5x scale

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.