Home / 14,956.97-20,637.29-8,665.70

Finding the Fourth Proportional to 14,956.97, 20,637.29 and 8,665.70

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Solution

The fourth proportional to 14,956.97, 20,637.29 and 8,665.70 is: 11,956.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,956.97 : 20,637.29 = 8,665.70 : x
  2. Step 2: Convert to fraction form
    14,956.97/20,637.29 = 8,665.70/x
  3. Step 3: Cross multiply
    14,956.97x = 20,637.29 × 8,665.70
  4. Step 4: Simplify right side
    14,956.97x = 178,836,417.44
  5. Step 5: Solve for x
    x = 178,836,417.44/14,956.97
  6. Step 6: Final answer
    x = 11,956.73

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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.