Home / 19,772.55-29,644.85-9,231.41

Finding the Fourth Proportional to 19,772.55, 29,644.85 and 9,231.41

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Solution

The fourth proportional to 19,772.55, 29,644.85 and 9,231.41 is: 13,840.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,772.55 : 29,644.85 = 9,231.41 : x
  2. Step 2: Convert to fraction form
    19,772.55/29,644.85 = 9,231.41/x
  3. Step 3: Cross multiply
    19,772.55x = 29,644.85 × 9,231.41
  4. Step 4: Simplify right side
    19,772.55x = 273,663,764.74
  5. Step 5: Solve for x
    x = 273,663,764.74/19,772.55
  6. Step 6: Final answer
    x = 13,840.59

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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.