Home / 26,857.30-40,247.55-19,782.10

Finding the Fourth Proportional to 26,857.30, 40,247.55 and 19,782.10

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Solution

The fourth proportional to 26,857.30, 40,247.55 and 19,782.10 is: 29,644.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,857.30 : 40,247.55 = 19,782.10 : x
  2. Step 2: Convert to fraction form
    26,857.30/40,247.55 = 19,782.10/x
  3. Step 3: Cross multiply
    26,857.30x = 40,247.55 × 19,782.10
  4. Step 4: Simplify right side
    26,857.30x = 796,181,058.86
  5. Step 5: Solve for x
    x = 796,181,058.86/26,857.30
  6. Step 6: Final answer
    x = 29,644.87

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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.