Home / 36,663.04-54,993.60-8,960.80

Finding the Fourth Proportional to 36,663.04, 54,993.60 and 8,960.80

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Solution

The fourth proportional to 36,663.04, 54,993.60 and 8,960.80 is: 13,440.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,663.04 : 54,993.60 = 8,960.80 : x
  2. Step 2: Convert to fraction form
    36,663.04/54,993.60 = 8,960.80/x
  3. Step 3: Cross multiply
    36,663.04x = 54,993.60 × 8,960.80
  4. Step 4: Simplify right side
    36,663.04x = 492,786,650.88
  5. Step 5: Solve for x
    x = 492,786,650.88/36,663.04
  6. Step 6: Final answer
    x = 13,440.97

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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.