Home / 15,008.24-22,505.75-7,986.56

Finding the Fourth Proportional to 15,008.24, 22,505.75 and 7,986.56

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Solution

The fourth proportional to 15,008.24, 22,505.75 and 7,986.56 is: 11,976.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,008.24 : 22,505.75 = 7,986.56 : x
  2. Step 2: Convert to fraction form
    15,008.24/22,505.75 = 7,986.56/x
  3. Step 3: Cross multiply
    15,008.24x = 22,505.75 × 7,986.56
  4. Step 4: Simplify right side
    15,008.24x = 179,743,430.16
  5. Step 5: Solve for x
    x = 179,743,430.16/15,008.24
  6. Step 6: Final answer
    x = 11,976.32

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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.