Home / 14,945.15-20,624.37-8,976.92

Finding the Fourth Proportional to 14,945.15, 20,624.37 and 8,976.92

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Solution

The fourth proportional to 14,945.15, 20,624.37 and 8,976.92 is: 12,388.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,945.15 : 20,624.37 = 8,976.92 : x
  2. Step 2: Convert to fraction form
    14,945.15/20,624.37 = 8,976.92/x
  3. Step 3: Cross multiply
    14,945.15x = 20,624.37 × 8,976.92
  4. Step 4: Simplify right side
    14,945.15x = 185,143,319.54
  5. Step 5: Solve for x
    x = 185,143,319.54/14,945.15
  6. Step 6: Final answer
    x = 12,388.19

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.