Home / 13,372.73-18,448.58-8,064.60

Finding the Fourth Proportional to 13,372.73, 18,448.58 and 8,064.60

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Solution

The fourth proportional to 13,372.73, 18,448.58 and 8,064.60 is: 11,125.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372.73 : 18,448.58 = 8,064.60 : x
  2. Step 2: Convert to fraction form
    13,372.73/18,448.58 = 8,064.60/x
  3. Step 3: Cross multiply
    13,372.73x = 18,448.58 × 8,064.60
  4. Step 4: Simplify right side
    13,372.73x = 148,780,377.95
  5. Step 5: Solve for x
    x = 148,780,377.95/13,372.73
  6. Step 6: Final answer
    x = 11,125.65

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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.