Home / 17,630.97-26,447.49-6,388.76

Finding the Fourth Proportional to 17,630.97, 26,447.49 and 6,388.76

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Solution

The fourth proportional to 17,630.97, 26,447.49 and 6,388.76 is: 9,583.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,630.97 : 26,447.49 = 6,388.76 : x
  2. Step 2: Convert to fraction form
    17,630.97/26,447.49 = 6,388.76/x
  3. Step 3: Cross multiply
    17,630.97x = 26,447.49 × 6,388.76
  4. Step 4: Simplify right side
    17,630.97x = 168,966,533.97
  5. Step 5: Solve for x
    x = 168,966,533.97/17,630.97
  6. Step 6: Final answer
    x = 9,583.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.