Home / 26,755.62-40,142.73-11,966.10

Finding the Fourth Proportional to 26,755.62, 40,142.73 and 11,966.10

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Solution

The fourth proportional to 26,755.62, 40,142.73 and 11,966.10 is: 17,953.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,755.62 : 40,142.73 = 11,966.10 : x
  2. Step 2: Convert to fraction form
    26,755.62/40,142.73 = 11,966.10/x
  3. Step 3: Cross multiply
    26,755.62x = 40,142.73 × 11,966.10
  4. Step 4: Simplify right side
    26,755.62x = 480,351,921.45
  5. Step 5: Solve for x
    x = 480,351,921.45/26,755.62
  6. Step 6: Final answer
    x = 17,953.31

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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.