Home / 15,270.12-22,910.04-7,474.68

Finding the Fourth Proportional to 15,270.12, 22,910.04 and 7,474.68

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Solution

The fourth proportional to 15,270.12, 22,910.04 and 7,474.68 is: 11,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,270.12 : 22,910.04 = 7,474.68 : x
  2. Step 2: Convert to fraction form
    15,270.12/22,910.04 = 7,474.68/x
  3. Step 3: Cross multiply
    15,270.12x = 22,910.04 × 7,474.68
  4. Step 4: Simplify right side
    15,270.12x = 171,245,217.79
  5. Step 5: Solve for x
    x = 171,245,217.79/15,270.12
  6. Step 6: Final answer
    x = 11,214.40

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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.