Home / 15,352.11-21,185.76-8,546.03

Finding the Fourth Proportional to 15,352.11, 21,185.76 and 8,546.03

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Solution

The fourth proportional to 15,352.11, 21,185.76 and 8,546.03 is: 11,793.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,352.11 : 21,185.76 = 8,546.03 : x
  2. Step 2: Convert to fraction form
    15,352.11/21,185.76 = 8,546.03/x
  3. Step 3: Cross multiply
    15,352.11x = 21,185.76 × 8,546.03
  4. Step 4: Simplify right side
    15,352.11x = 181,054,034.60
  5. Step 5: Solve for x
    x = 181,054,034.60/15,352.11
  6. Step 6: Final answer
    x = 11,793.43

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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.