Home / 33,115.02-45,698.52-18,777.57

Finding the Fourth Proportional to 33,115.02, 45,698.52 and 18,777.57

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Solution

The fourth proportional to 33,115.02, 45,698.52 and 18,777.57 is: 25,912.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,115.02 : 45,698.52 = 18,777.57 : x
  2. Step 2: Convert to fraction form
    33,115.02/45,698.52 = 18,777.57/x
  3. Step 3: Cross multiply
    33,115.02x = 45,698.52 × 18,777.57
  4. Step 4: Simplify right side
    33,115.02x = 858,107,158.20
  5. Step 5: Solve for x
    x = 858,107,158.20/33,115.02
  6. Step 6: Final answer
    x = 25,912.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.