Home / 18,549.34-27,775.26-15,580.49

Finding the Fourth Proportional to 18,549.34, 27,775.26 and 15,580.49

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Solution

The fourth proportional to 18,549.34, 27,775.26 and 15,580.49 is: 23,329.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,549.34 : 27,775.26 = 15,580.49 : x
  2. Step 2: Convert to fraction form
    18,549.34/27,775.26 = 15,580.49/x
  3. Step 3: Cross multiply
    18,549.34x = 27,775.26 × 15,580.49
  4. Step 4: Simplify right side
    18,549.34x = 432,752,160.68
  5. Step 5: Solve for x
    x = 432,752,160.68/18,549.34
  6. Step 6: Final answer
    x = 23,329.79

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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.