Home / 17,309.45-23,887.15-9,653.21

Finding the Fourth Proportional to 17,309.45, 23,887.15 and 9,653.21

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Solution

The fourth proportional to 17,309.45, 23,887.15 and 9,653.21 is: 13,321.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,309.45 : 23,887.15 = 9,653.21 : x
  2. Step 2: Convert to fraction form
    17,309.45/23,887.15 = 9,653.21/x
  3. Step 3: Cross multiply
    17,309.45x = 23,887.15 × 9,653.21
  4. Step 4: Simplify right side
    17,309.45x = 230,587,711.14
  5. Step 5: Solve for x
    x = 230,587,711.14/17,309.45
  6. Step 6: Final answer
    x = 13,321.49

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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.