Home / 15,647.44-21,593.73-8,573.41

Finding the Fourth Proportional to 15,647.44, 21,593.73 and 8,573.41

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Solution

The fourth proportional to 15,647.44, 21,593.73 and 8,573.41 is: 11,831.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,647.44 : 21,593.73 = 8,573.41 : x
  2. Step 2: Convert to fraction form
    15,647.44/21,593.73 = 8,573.41/x
  3. Step 3: Cross multiply
    15,647.44x = 21,593.73 × 8,573.41
  4. Step 4: Simplify right side
    15,647.44x = 185,131,900.72
  5. Step 5: Solve for x
    x = 185,131,900.72/15,647.44
  6. Step 6: Final answer
    x = 11,831.45

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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.