Home / 17,022.08-23,491.86-11,918.15

Finding the Fourth Proportional to 17,022.08, 23,491.86 and 11,918.15

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Solution

The fourth proportional to 17,022.08, 23,491.86 and 11,918.15 is: 16,448.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,022.08 : 23,491.86 = 11,918.15 : x
  2. Step 2: Convert to fraction form
    17,022.08/23,491.86 = 11,918.15/x
  3. Step 3: Cross multiply
    17,022.08x = 23,491.86 × 11,918.15
  4. Step 4: Simplify right side
    17,022.08x = 279,979,511.26
  5. Step 5: Solve for x
    x = 279,979,511.26/17,022.08
  6. Step 6: Final answer
    x = 16,448.02

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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.