Home / 17,309.57-23,887.19-9,351.79

Finding the Fourth Proportional to 17,309.57, 23,887.19 and 9,351.79

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Solution

The fourth proportional to 17,309.57, 23,887.19 and 9,351.79 is: 12,905.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,309.57 : 23,887.19 = 9,351.79 : x
  2. Step 2: Convert to fraction form
    17,309.57/23,887.19 = 9,351.79/x
  3. Step 3: Cross multiply
    17,309.57x = 23,887.19 × 9,351.79
  4. Step 4: Simplify right side
    17,309.57x = 223,387,895.63
  5. Step 5: Solve for x
    x = 223,387,895.63/17,309.57
  6. Step 6: Final answer
    x = 12,905.46

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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.