Home / 17,815.39-26,743.77-10,425.14

Finding the Fourth Proportional to 17,815.39, 26,743.77 and 10,425.14

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Solution

The fourth proportional to 17,815.39, 26,743.77 and 10,425.14 is: 15,649.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,815.39 : 26,743.77 = 10,425.14 : x
  2. Step 2: Convert to fraction form
    17,815.39/26,743.77 = 10,425.14/x
  3. Step 3: Cross multiply
    17,815.39x = 26,743.77 × 10,425.14
  4. Step 4: Simplify right side
    17,815.39x = 278,807,546.38
  5. Step 5: Solve for x
    x = 278,807,546.38/17,815.39
  6. Step 6: Final answer
    x = 15,649.81

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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.