Home / 14,623.97-20,179.73-8,956.13

Finding the Fourth Proportional to 14,623.97, 20,179.73 and 8,956.13

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Solution

The fourth proportional to 14,623.97, 20,179.73 and 8,956.13 is: 12,358.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,623.97 : 20,179.73 = 8,956.13 : x
  2. Step 2: Convert to fraction form
    14,623.97/20,179.73 = 8,956.13/x
  3. Step 3: Cross multiply
    14,623.97x = 20,179.73 × 8,956.13
  4. Step 4: Simplify right side
    14,623.97x = 180,732,206.74
  5. Step 5: Solve for x
    x = 180,732,206.74/14,623.97
  6. Step 6: Final answer
    x = 12,358.63

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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.