Home / 19,529.96-26,944.97-12,458.66

Finding the Fourth Proportional to 19,529.96, 26,944.97 and 12,458.66

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Solution

The fourth proportional to 19,529.96, 26,944.97 and 12,458.66 is: 17,188.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,529.96 : 26,944.97 = 12,458.66 : x
  2. Step 2: Convert to fraction form
    19,529.96/26,944.97 = 12,458.66/x
  3. Step 3: Cross multiply
    19,529.96x = 26,944.97 × 12,458.66
  4. Step 4: Simplify right side
    19,529.96x = 335,698,022.92
  5. Step 5: Solve for x
    x = 335,698,022.92/19,529.96
  6. Step 6: Final answer
    x = 17,188.88

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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.