Home / 45,252.35-67,887.37-13,664.98

Finding the Fourth Proportional to 45,252.35, 67,887.37 and 13,664.98

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Solution

The fourth proportional to 45,252.35, 67,887.37 and 13,664.98 is: 20,500.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,252.35 : 67,887.37 = 13,664.98 : x
  2. Step 2: Convert to fraction form
    45,252.35/67,887.37 = 13,664.98/x
  3. Step 3: Cross multiply
    45,252.35x = 67,887.37 × 13,664.98
  4. Step 4: Simplify right side
    45,252.35x = 927,679,387.44
  5. Step 5: Solve for x
    x = 927,679,387.44/45,252.35
  6. Step 6: Final answer
    x = 20,500.14

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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.