Home / 14,122.44-21,184.38-5,358.06

Finding the Fourth Proportional to 14,122.44, 21,184.38 and 5,358.06

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Solution

The fourth proportional to 14,122.44, 21,184.38 and 5,358.06 is: 8,037.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.44 : 21,184.38 = 5,358.06 : x
  2. Step 2: Convert to fraction form
    14,122.44/21,184.38 = 5,358.06/x
  3. Step 3: Cross multiply
    14,122.44x = 21,184.38 × 5,358.06
  4. Step 4: Simplify right side
    14,122.44x = 113,507,179.10
  5. Step 5: Solve for x
    x = 113,507,179.10/14,122.44
  6. Step 6: Final answer
    x = 8,037.36

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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.