Home / 14,100.32-21,163.44-13,253.60

Finding the Fourth Proportional to 14,100.32, 21,163.44 and 13,253.60

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Solution

The fourth proportional to 14,100.32, 21,163.44 and 13,253.60 is: 19,892.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100.32 : 21,163.44 = 13,253.60 : x
  2. Step 2: Convert to fraction form
    14,100.32/21,163.44 = 13,253.60/x
  3. Step 3: Cross multiply
    14,100.32x = 21,163.44 × 13,253.60
  4. Step 4: Simplify right side
    14,100.32x = 280,491,768.38
  5. Step 5: Solve for x
    x = 280,491,768.38/14,100.32
  6. Step 6: Final answer
    x = 19,892.58

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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.