Home / 14,196.46-21,272.60-5,426.60

Finding the Fourth Proportional to 14,196.46, 21,272.60 and 5,426.60

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Solution

The fourth proportional to 14,196.46, 21,272.60 and 5,426.60 is: 8,131.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,196.46 : 21,272.60 = 5,426.60 : x
  2. Step 2: Convert to fraction form
    14,196.46/21,272.60 = 5,426.60/x
  3. Step 3: Cross multiply
    14,196.46x = 21,272.60 × 5,426.60
  4. Step 4: Simplify right side
    14,196.46x = 115,437,891.16
  5. Step 5: Solve for x
    x = 115,437,891.16/14,196.46
  6. Step 6: Final answer
    x = 8,131.46

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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.