Home / 13,747.97-20,629.11-7,506.81

Finding the Fourth Proportional to 13,747.97, 20,629.11 and 7,506.81

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Solution

The fourth proportional to 13,747.97, 20,629.11 and 7,506.81 is: 11,264.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747.97 : 20,629.11 = 7,506.81 : x
  2. Step 2: Convert to fraction form
    13,747.97/20,629.11 = 7,506.81/x
  3. Step 3: Cross multiply
    13,747.97x = 20,629.11 × 7,506.81
  4. Step 4: Simplify right side
    13,747.97x = 154,858,809.24
  5. Step 5: Solve for x
    x = 154,858,809.24/13,747.97
  6. Step 6: Final answer
    x = 11,264.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.