Home / 17,238.95-25,857.90-4,759.73

Finding the Fourth Proportional to 17,238.95, 25,857.90 and 4,759.73

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Solution

The fourth proportional to 17,238.95, 25,857.90 and 4,759.73 is: 7,139.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,238.95 : 25,857.90 = 4,759.73 : x
  2. Step 2: Convert to fraction form
    17,238.95/25,857.90 = 4,759.73/x
  3. Step 3: Cross multiply
    17,238.95x = 25,857.90 × 4,759.73
  4. Step 4: Simplify right side
    17,238.95x = 123,076,622.37
  5. Step 5: Solve for x
    x = 123,076,622.37/17,238.95
  6. Step 6: Final answer
    x = 7,139.45

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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.