Home / 14,402.18-19,884.18-11,755.90

Finding the Fourth Proportional to 14,402.18, 19,884.18 and 11,755.90

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Solution

The fourth proportional to 14,402.18, 19,884.18 and 11,755.90 is: 16,230.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,402.18 : 19,884.18 = 11,755.90 : x
  2. Step 2: Convert to fraction form
    14,402.18/19,884.18 = 11,755.90/x
  3. Step 3: Cross multiply
    14,402.18x = 19,884.18 × 11,755.90
  4. Step 4: Simplify right side
    14,402.18x = 233,756,431.66
  5. Step 5: Solve for x
    x = 233,756,431.66/14,402.18
  6. Step 6: Final answer
    x = 16,230.63

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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.