Home / 17,125.64-23,578.87-15,107.33

Finding the Fourth Proportional to 17,125.64, 23,578.87 and 15,107.33

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Solution

The fourth proportional to 17,125.64, 23,578.87 and 15,107.33 is: 20,800.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,125.64 : 23,578.87 = 15,107.33 : x
  2. Step 2: Convert to fraction form
    17,125.64/23,578.87 = 15,107.33/x
  3. Step 3: Cross multiply
    17,125.64x = 23,578.87 × 15,107.33
  4. Step 4: Simplify right side
    17,125.64x = 356,213,770.12
  5. Step 5: Solve for x
    x = 356,213,770.12/17,125.64
  6. Step 6: Final answer
    x = 20,800.03

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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.