Home / 13,924.45-19,217.10-7,956.60

Finding the Fourth Proportional to 13,924.45, 19,217.10 and 7,956.60

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Solution

The fourth proportional to 13,924.45, 19,217.10 and 7,956.60 is: 10,980.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.45 : 19,217.10 = 7,956.60 : x
  2. Step 2: Convert to fraction form
    13,924.45/19,217.10 = 7,956.60/x
  3. Step 3: Cross multiply
    13,924.45x = 19,217.10 × 7,956.60
  4. Step 4: Simplify right side
    13,924.45x = 152,902,777.86
  5. Step 5: Solve for x
    x = 152,902,777.86/13,924.45
  6. Step 6: Final answer
    x = 10,980.88

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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.