Home / 15,778.74-23,682.69-7,993.02

Finding the Fourth Proportional to 15,778.74, 23,682.69 and 7,993.02

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Solution

The fourth proportional to 15,778.74, 23,682.69 and 7,993.02 is: 11,996.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,778.74 : 23,682.69 = 7,993.02 : x
  2. Step 2: Convert to fraction form
    15,778.74/23,682.69 = 7,993.02/x
  3. Step 3: Cross multiply
    15,778.74x = 23,682.69 × 7,993.02
  4. Step 4: Simplify right side
    15,778.74x = 189,296,214.82
  5. Step 5: Solve for x
    x = 189,296,214.82/15,778.74
  6. Step 6: Final answer
    x = 11,996.92

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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.