Home / 35,540.80-53,311.20-9,245.56

Finding the Fourth Proportional to 35,540.80, 53,311.20 and 9,245.56

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Solution

The fourth proportional to 35,540.80, 53,311.20 and 9,245.56 is: 13,868.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,540.80 : 53,311.20 = 9,245.56 : x
  2. Step 2: Convert to fraction form
    35,540.80/53,311.20 = 9,245.56/x
  3. Step 3: Cross multiply
    35,540.80x = 53,311.20 × 9,245.56
  4. Step 4: Simplify right side
    35,540.80x = 492,891,898.27
  5. Step 5: Solve for x
    x = 492,891,898.27/35,540.80
  6. Step 6: Final answer
    x = 13,868.34

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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.