Home / 18,248.48-27,403.99-11,269.78

Finding the Fourth Proportional to 18,248.48, 27,403.99 and 11,269.78

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Solution

The fourth proportional to 18,248.48, 27,403.99 and 11,269.78 is: 16,923.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,248.48 : 27,403.99 = 11,269.78 : x
  2. Step 2: Convert to fraction form
    18,248.48/27,403.99 = 11,269.78/x
  3. Step 3: Cross multiply
    18,248.48x = 27,403.99 × 11,269.78
  4. Step 4: Simplify right side
    18,248.48x = 308,836,938.42
  5. Step 5: Solve for x
    x = 308,836,938.42/18,248.48
  6. Step 6: Final answer
    x = 16,923.98

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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.