Home / 18,104.39-24,982.68-10,145.08

Finding the Fourth Proportional to 18,104.39, 24,982.68 and 10,145.08

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Solution

The fourth proportional to 18,104.39, 24,982.68 and 10,145.08 is: 13,999.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,104.39 : 24,982.68 = 10,145.08 : x
  2. Step 2: Convert to fraction form
    18,104.39/24,982.68 = 10,145.08/x
  3. Step 3: Cross multiply
    18,104.39x = 24,982.68 × 10,145.08
  4. Step 4: Simplify right side
    18,104.39x = 253,451,287.21
  5. Step 5: Solve for x
    x = 253,451,287.21/18,104.39
  6. Step 6: Final answer
    x = 13,999.44

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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.