Home / 13,983.68-19,297.32-7,695.92

Finding the Fourth Proportional to 13,983.68, 19,297.32 and 7,695.92

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Solution

The fourth proportional to 13,983.68, 19,297.32 and 7,695.92 is: 10,620.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.68 : 19,297.32 = 7,695.92 : x
  2. Step 2: Convert to fraction form
    13,983.68/19,297.32 = 7,695.92/x
  3. Step 3: Cross multiply
    13,983.68x = 19,297.32 × 7,695.92
  4. Step 4: Simplify right side
    13,983.68x = 148,510,630.93
  5. Step 5: Solve for x
    x = 148,510,630.93/13,983.68
  6. Step 6: Final answer
    x = 10,620.28

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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.