Home / 18,080.12-24,949.36-10,121

Finding the Fourth Proportional to 18,080.12, 24,949.36 and 10,121

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Solution

The fourth proportional to 18,080.12, 24,949.36 and 10,121 is: 13,966.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,080.12 : 24,949.36 = 10,121 : x
  2. Step 2: Convert to fraction form
    18,080.12/24,949.36 = 10,121/x
  3. Step 3: Cross multiply
    18,080.12x = 24,949.36 × 10,121
  4. Step 4: Simplify right side
    18,080.12x = 252,512,472.56
  5. Step 5: Solve for x
    x = 252,512,472.56/18,080.12
  6. Step 6: Final answer
    x = 13,966.31

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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.