Home / 14,160.24-21,231.92-5,395.84

Finding the Fourth Proportional to 14,160.24, 21,231.92 and 5,395.84

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Solution

The fourth proportional to 14,160.24, 21,231.92 and 5,395.84 is: 8,090.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.24 : 21,231.92 = 5,395.84 : x
  2. Step 2: Convert to fraction form
    14,160.24/21,231.92 = 5,395.84/x
  3. Step 3: Cross multiply
    14,160.24x = 21,231.92 × 5,395.84
  4. Step 4: Simplify right side
    14,160.24x = 114,564,043.21
  5. Step 5: Solve for x
    x = 114,564,043.21/14,160.24
  6. Step 6: Final answer
    x = 8,090.54

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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.