Home / 18,403.48-27,596.90-5,252.72

Finding the Fourth Proportional to 18,403.48, 27,596.90 and 5,252.72

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Solution

The fourth proportional to 18,403.48, 27,596.90 and 5,252.72 is: 7,876.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403.48 : 27,596.90 = 5,252.72 : x
  2. Step 2: Convert to fraction form
    18,403.48/27,596.90 = 5,252.72/x
  3. Step 3: Cross multiply
    18,403.48x = 27,596.90 × 5,252.72
  4. Step 4: Simplify right side
    18,403.48x = 144,958,788.57
  5. Step 5: Solve for x
    x = 144,958,788.57/18,403.48
  6. Step 6: Final answer
    x = 7,876.71

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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.