Home / 35,945.12-53,905.26-13,764.80

Finding the Fourth Proportional to 35,945.12, 53,905.26 and 13,764.80

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Solution

The fourth proportional to 35,945.12, 53,905.26 and 13,764.80 is: 20,642.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,945.12 : 53,905.26 = 13,764.80 : x
  2. Step 2: Convert to fraction form
    35,945.12/53,905.26 = 13,764.80/x
  3. Step 3: Cross multiply
    35,945.12x = 53,905.26 × 13,764.80
  4. Step 4: Simplify right side
    35,945.12x = 741,995,122.85
  5. Step 5: Solve for x
    x = 741,995,122.85/35,945.12
  6. Step 6: Final answer
    x = 20,642.44

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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.