Home / 14,982.96-22,472.32-5,120.81

Finding the Fourth Proportional to 14,982.96, 22,472.32 and 5,120.81

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Solution

The fourth proportional to 14,982.96, 22,472.32 and 5,120.81 is: 7,680.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,982.96 : 22,472.32 = 5,120.81 : x
  2. Step 2: Convert to fraction form
    14,982.96/22,472.32 = 5,120.81/x
  3. Step 3: Cross multiply
    14,982.96x = 22,472.32 × 5,120.81
  4. Step 4: Simplify right side
    14,982.96x = 115,076,480.98
  5. Step 5: Solve for x
    x = 115,076,480.98/14,982.96
  6. Step 6: Final answer
    x = 7,680.49

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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.