Home / 17,178.78-23,707.39-9,625.17

Finding the Fourth Proportional to 17,178.78, 23,707.39 and 9,625.17

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Solution

The fourth proportional to 17,178.78, 23,707.39 and 9,625.17 is: 13,283.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,178.78 : 23,707.39 = 9,625.17 : x
  2. Step 2: Convert to fraction form
    17,178.78/23,707.39 = 9,625.17/x
  3. Step 3: Cross multiply
    17,178.78x = 23,707.39 × 9,625.17
  4. Step 4: Simplify right side
    17,178.78x = 228,187,659.01
  5. Step 5: Solve for x
    x = 228,187,659.01/17,178.78
  6. Step 6: Final answer
    x = 13,283.11

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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.