Home / 15,192.95-20,972.67-9,226.54

Finding the Fourth Proportional to 15,192.95, 20,972.67 and 9,226.54

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Solution

The fourth proportional to 15,192.95, 20,972.67 and 9,226.54 is: 12,736.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,192.95 : 20,972.67 = 9,226.54 : x
  2. Step 2: Convert to fraction form
    15,192.95/20,972.67 = 9,226.54/x
  3. Step 3: Cross multiply
    15,192.95x = 20,972.67 × 9,226.54
  4. Step 4: Simplify right side
    15,192.95x = 193,505,178.66
  5. Step 5: Solve for x
    x = 193,505,178.66/15,192.95
  6. Step 6: Final answer
    x = 12,736.51

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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.