Home / 15,570.98-21,487.96-8,497.41

Finding the Fourth Proportional to 15,570.98, 21,487.96 and 8,497.41

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Solution

The fourth proportional to 15,570.98, 21,487.96 and 8,497.41 is: 11,726.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,570.98 : 21,487.96 = 8,497.41 : x
  2. Step 2: Convert to fraction form
    15,570.98/21,487.96 = 8,497.41/x
  3. Step 3: Cross multiply
    15,570.98x = 21,487.96 × 8,497.41
  4. Step 4: Simplify right side
    15,570.98x = 182,591,912.33
  5. Step 5: Solve for x
    x = 182,591,912.33/15,570.98
  6. Step 6: Final answer
    x = 11,726.42

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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.