Home / 18,160.10-27,248.37-9,270.85

Finding the Fourth Proportional to 18,160.10, 27,248.37 and 9,270.85

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Solution

The fourth proportional to 18,160.10, 27,248.37 and 9,270.85 is: 13,910.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,160.10 : 27,248.37 = 9,270.85 : x
  2. Step 2: Convert to fraction form
    18,160.10/27,248.37 = 9,270.85/x
  3. Step 3: Cross multiply
    18,160.10x = 27,248.37 × 9,270.85
  4. Step 4: Simplify right side
    18,160.10x = 252,615,482.89
  5. Step 5: Solve for x
    x = 252,615,482.89/18,160.10
  6. Step 6: Final answer
    x = 13,910.47

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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.