Home / 18,103.39-24,981.30-10,144.08

Finding the Fourth Proportional to 18,103.39, 24,981.30 and 10,144.08

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Solution

The fourth proportional to 18,103.39, 24,981.30 and 10,144.08 is: 13,998.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,103.39 : 24,981.30 = 10,144.08 : x
  2. Step 2: Convert to fraction form
    18,103.39/24,981.30 = 10,144.08/x
  3. Step 3: Cross multiply
    18,103.39x = 24,981.30 × 10,144.08
  4. Step 4: Simplify right side
    18,103.39x = 253,412,305.70
  5. Step 5: Solve for x
    x = 253,412,305.70/18,103.39
  6. Step 6: Final answer
    x = 13,998.06

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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.