Home / 15,991.82-23,987.96-4,898.64

Finding the Fourth Proportional to 15,991.82, 23,987.96 and 4,898.64

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Solution

The fourth proportional to 15,991.82, 23,987.96 and 4,898.64 is: 7,348.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,991.82 : 23,987.96 = 4,898.64 : x
  2. Step 2: Convert to fraction form
    15,991.82/23,987.96 = 4,898.64/x
  3. Step 3: Cross multiply
    15,991.82x = 23,987.96 × 4,898.64
  4. Step 4: Simplify right side
    15,991.82x = 117,508,380.37
  5. Step 5: Solve for x
    x = 117,508,380.37/15,991.82
  6. Step 6: Final answer
    x = 7,348.03

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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.