Home / 38,782.77-58,179.11-13,825.34

Finding the Fourth Proportional to 38,782.77, 58,179.11 and 13,825.34

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Solution

The fourth proportional to 38,782.77, 58,179.11 and 13,825.34 is: 20,739.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,782.77 : 58,179.11 = 13,825.34 : x
  2. Step 2: Convert to fraction form
    38,782.77/58,179.11 = 13,825.34/x
  3. Step 3: Cross multiply
    38,782.77x = 58,179.11 × 13,825.34
  4. Step 4: Simplify right side
    38,782.77x = 804,345,616.63
  5. Step 5: Solve for x
    x = 804,345,616.63/38,782.77
  6. Step 6: Final answer
    x = 20,739.77

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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.