Home / 14,184.12-21,276.19-14,163.63

Finding the Fourth Proportional to 14,184.12, 21,276.19 and 14,163.63

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Solution

The fourth proportional to 14,184.12, 21,276.19 and 14,163.63 is: 21,245.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,184.12 : 21,276.19 = 14,163.63 : x
  2. Step 2: Convert to fraction form
    14,184.12/21,276.19 = 14,163.63/x
  3. Step 3: Cross multiply
    14,184.12x = 21,276.19 × 14,163.63
  4. Step 4: Simplify right side
    14,184.12x = 301,348,020.89
  5. Step 5: Solve for x
    x = 301,348,020.89/14,184.12
  6. Step 6: Final answer
    x = 21,245.44

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Half scale
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Double scale
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Similar ratio
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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.