Home / 18,317.54-27,476.34-5,169.92

Finding the Fourth Proportional to 18,317.54, 27,476.34 and 5,169.92

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Solution

The fourth proportional to 18,317.54, 27,476.34 and 5,169.92 is: 7,754.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317.54 : 27,476.34 = 5,169.92 : x
  2. Step 2: Convert to fraction form
    18,317.54/27,476.34 = 5,169.92/x
  3. Step 3: Cross multiply
    18,317.54x = 27,476.34 × 5,169.92
  4. Step 4: Simplify right side
    18,317.54x = 142,050,479.69
  5. Step 5: Solve for x
    x = 142,050,479.69/18,317.54
  6. Step 6: Final answer
    x = 7,754.89

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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.