Home / 13,297.92-18,351.84-7,330.32

Finding the Fourth Proportional to 13,297.92, 18,351.84 and 7,330.32

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Solution

The fourth proportional to 13,297.92, 18,351.84 and 7,330.32 is: 10,116.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.92 : 18,351.84 = 7,330.32 : x
  2. Step 2: Convert to fraction form
    13,297.92/18,351.84 = 7,330.32/x
  3. Step 3: Cross multiply
    13,297.92x = 18,351.84 × 7,330.32
  4. Step 4: Simplify right side
    13,297.92x = 134,524,859.79
  5. Step 5: Solve for x
    x = 134,524,859.79/13,297.92
  6. Step 6: Final answer
    x = 10,116.23

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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.