Home / 13,297.92-18,351.52-7,329.76

Finding the Fourth Proportional to 13,297.92, 18,351.52 and 7,329.76

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Solution

The fourth proportional to 13,297.92, 18,351.52 and 7,329.76 is: 10,115.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.92 : 18,351.52 = 7,329.76 : x
  2. Step 2: Convert to fraction form
    13,297.92/18,351.52 = 7,329.76/x
  3. Step 3: Cross multiply
    13,297.92x = 18,351.52 × 7,329.76
  4. Step 4: Simplify right side
    13,297.92x = 134,512,237.24
  5. Step 5: Solve for x
    x = 134,512,237.24/13,297.92
  6. Step 6: Final answer
    x = 10,115.28

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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.