Home / 17,150.31-25,709.04-5,455.92

Finding the Fourth Proportional to 17,150.31, 25,709.04 and 5,455.92

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Solution

The fourth proportional to 17,150.31, 25,709.04 and 5,455.92 is: 8,178.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,150.31 : 25,709.04 = 5,455.92 : x
  2. Step 2: Convert to fraction form
    17,150.31/25,709.04 = 5,455.92/x
  3. Step 3: Cross multiply
    17,150.31x = 25,709.04 × 5,455.92
  4. Step 4: Simplify right side
    17,150.31x = 140,266,465.52
  5. Step 5: Solve for x
    x = 140,266,465.52/17,150.31
  6. Step 6: Final answer
    x = 8,178.65

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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.