Home / 12,573.60-18,855.54-5,553.24

Finding the Fourth Proportional to 12,573.60, 18,855.54 and 5,553.24

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Solution

The fourth proportional to 12,573.60, 18,855.54 and 5,553.24 is: 8,327.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,573.60 : 18,855.54 = 5,553.24 : x
  2. Step 2: Convert to fraction form
    12,573.60/18,855.54 = 5,553.24/x
  3. Step 3: Cross multiply
    12,573.60x = 18,855.54 × 5,553.24
  4. Step 4: Simplify right side
    12,573.60x = 104,709,338.95
  5. Step 5: Solve for x
    x = 104,709,338.95/12,573.60
  6. Step 6: Final answer
    x = 8,327.71

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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.