Home / 20,558.73-30,840.02-5,767.59

Finding the Fourth Proportional to 20,558.73, 30,840.02 and 5,767.59

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Solution

The fourth proportional to 20,558.73, 30,840.02 and 5,767.59 is: 8,651.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,558.73 : 30,840.02 = 5,767.59 : x
  2. Step 2: Convert to fraction form
    20,558.73/30,840.02 = 5,767.59/x
  3. Step 3: Cross multiply
    20,558.73x = 30,840.02 × 5,767.59
  4. Step 4: Simplify right side
    20,558.73x = 177,872,558.36
  5. Step 5: Solve for x
    x = 177,872,558.36/20,558.73
  6. Step 6: Final answer
    x = 8,651.92

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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.