Home / 14,156.43-21,244.20-5,391.11

Finding the Fourth Proportional to 14,156.43, 21,244.20 and 5,391.11

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Solution

The fourth proportional to 14,156.43, 21,244.20 and 5,391.11 is: 8,090.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.43 : 21,244.20 = 5,391.11 : x
  2. Step 2: Convert to fraction form
    14,156.43/21,244.20 = 5,391.11/x
  3. Step 3: Cross multiply
    14,156.43x = 21,244.20 × 5,391.11
  4. Step 4: Simplify right side
    14,156.43x = 114,529,892.39
  5. Step 5: Solve for x
    x = 114,529,892.39/14,156.43
  6. Step 6: Final answer
    x = 8,090.31

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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.