Home / 13,924.32-19,216.97-7,956.87

Finding the Fourth Proportional to 13,924.32, 19,216.97 and 7,956.87

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Solution

The fourth proportional to 13,924.32, 19,216.97 and 7,956.87 is: 10,981.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.32 : 19,216.97 = 7,956.87 : x
  2. Step 2: Convert to fraction form
    13,924.32/19,216.97 = 7,956.87/x
  3. Step 3: Cross multiply
    13,924.32x = 19,216.97 × 7,956.87
  4. Step 4: Simplify right side
    13,924.32x = 152,906,892.30
  5. Step 5: Solve for x
    x = 152,906,892.30/13,924.32
  6. Step 6: Final answer
    x = 10,981.28

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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.