Home / 14,090.87-19,401.14-11,961.98

Finding the Fourth Proportional to 14,090.87, 19,401.14 and 11,961.98

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Solution

The fourth proportional to 14,090.87, 19,401.14 and 11,961.98 is: 16,469.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.87 : 19,401.14 = 11,961.98 : x
  2. Step 2: Convert to fraction form
    14,090.87/19,401.14 = 11,961.98/x
  3. Step 3: Cross multiply
    14,090.87x = 19,401.14 × 11,961.98
  4. Step 4: Simplify right side
    14,090.87x = 232,076,096.16
  5. Step 5: Solve for x
    x = 232,076,096.16/14,090.87
  6. Step 6: Final answer
    x = 16,469.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.