Home / 15,110.94-20,849.34-9,436.89

Finding the Fourth Proportional to 15,110.94, 20,849.34 and 9,436.89

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Solution

The fourth proportional to 15,110.94, 20,849.34 and 9,436.89 is: 13,020.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,110.94 : 20,849.34 = 9,436.89 : x
  2. Step 2: Convert to fraction form
    15,110.94/20,849.34 = 9,436.89/x
  3. Step 3: Cross multiply
    15,110.94x = 20,849.34 × 9,436.89
  4. Step 4: Simplify right side
    15,110.94x = 196,752,928.15
  5. Step 5: Solve for x
    x = 196,752,928.15/15,110.94
  6. Step 6: Final answer
    x = 13,020.56

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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.