Home / 14,887.46-20,553.04-11,131.22

Finding the Fourth Proportional to 14,887.46, 20,553.04 and 11,131.22

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Solution

The fourth proportional to 14,887.46, 20,553.04 and 11,131.22 is: 15,367.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,887.46 : 20,553.04 = 11,131.22 : x
  2. Step 2: Convert to fraction form
    14,887.46/20,553.04 = 11,131.22/x
  3. Step 3: Cross multiply
    14,887.46x = 20,553.04 × 11,131.22
  4. Step 4: Simplify right side
    14,887.46x = 228,780,475.21
  5. Step 5: Solve for x
    x = 228,780,475.21/14,887.46
  6. Step 6: Final answer
    x = 15,367.33

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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.