Home / 17,086.37-23,579.20-10,012.78

Finding the Fourth Proportional to 17,086.37, 23,579.20 and 10,012.78

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Solution

The fourth proportional to 17,086.37, 23,579.20 and 10,012.78 is: 13,817.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,086.37 : 23,579.20 = 10,012.78 : x
  2. Step 2: Convert to fraction form
    17,086.37/23,579.20 = 10,012.78/x
  3. Step 3: Cross multiply
    17,086.37x = 23,579.20 × 10,012.78
  4. Step 4: Simplify right side
    17,086.37x = 236,093,384.17
  5. Step 5: Solve for x
    x = 236,093,384.17/17,086.37
  6. Step 6: Final answer
    x = 13,817.65

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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.