Home / 28,956.96-43,434.54-9,236.70

Finding the Fourth Proportional to 28,956.96, 43,434.54 and 9,236.70

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Solution

The fourth proportional to 28,956.96, 43,434.54 and 9,236.70 is: 13,854.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,956.96 : 43,434.54 = 9,236.70 : x
  2. Step 2: Convert to fraction form
    28,956.96/43,434.54 = 9,236.70/x
  3. Step 3: Cross multiply
    28,956.96x = 43,434.54 × 9,236.70
  4. Step 4: Simplify right side
    28,956.96x = 401,191,815.62
  5. Step 5: Solve for x
    x = 401,191,815.62/28,956.96
  6. Step 6: Final answer
    x = 13,854.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.