Home / 14,273.50-19,697.44-7,987.36

Finding the Fourth Proportional to 14,273.50, 19,697.44 and 7,987.36

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Solution

The fourth proportional to 14,273.50, 19,697.44 and 7,987.36 is: 11,022.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,273.50 : 19,697.44 = 7,987.36 : x
  2. Step 2: Convert to fraction form
    14,273.50/19,697.44 = 7,987.36/x
  3. Step 3: Cross multiply
    14,273.50x = 19,697.44 × 7,987.36
  4. Step 4: Simplify right side
    14,273.50x = 157,330,544.36
  5. Step 5: Solve for x
    x = 157,330,544.36/14,273.50
  6. Step 6: Final answer
    x = 11,022.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.