Home / 14,163.66-21,254.40-5,399.46

Finding the Fourth Proportional to 14,163.66, 21,254.40 and 5,399.46

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Solution

The fourth proportional to 14,163.66, 21,254.40 and 5,399.46 is: 8,102.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,163.66 : 21,254.40 = 5,399.46 : x
  2. Step 2: Convert to fraction form
    14,163.66/21,254.40 = 5,399.46/x
  3. Step 3: Cross multiply
    14,163.66x = 21,254.40 × 5,399.46
  4. Step 4: Simplify right side
    14,163.66x = 114,762,282.62
  5. Step 5: Solve for x
    x = 114,762,282.62/14,163.66
  6. Step 6: Final answer
    x = 8,102.59

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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.