Home / 14,956.43-20,639.12-8,241.91

Finding the Fourth Proportional to 14,956.43, 20,639.12 and 8,241.91

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Solution

The fourth proportional to 14,956.43, 20,639.12 and 8,241.91 is: 11,373.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,956.43 : 20,639.12 = 8,241.91 : x
  2. Step 2: Convert to fraction form
    14,956.43/20,639.12 = 8,241.91/x
  3. Step 3: Cross multiply
    14,956.43x = 20,639.12 × 8,241.91
  4. Step 4: Simplify right side
    14,956.43x = 170,105,769.52
  5. Step 5: Solve for x
    x = 170,105,769.52/14,956.43
  6. Step 6: Final answer
    x = 11,373.42

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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.