Home / 16,660.48-24,991.20-7,427.20

Finding the Fourth Proportional to 16,660.48, 24,991.20 and 7,427.20

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Solution

The fourth proportional to 16,660.48, 24,991.20 and 7,427.20 is: 11,141.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,660.48 : 24,991.20 = 7,427.20 : x
  2. Step 2: Convert to fraction form
    16,660.48/24,991.20 = 7,427.20/x
  3. Step 3: Cross multiply
    16,660.48x = 24,991.20 × 7,427.20
  4. Step 4: Simplify right side
    16,660.48x = 185,614,640.64
  5. Step 5: Solve for x
    x = 185,614,640.64/16,660.48
  6. Step 6: Final answer
    x = 11,141.01

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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.