Home / 14,654.03-20,222.52-7,939.83

Finding the Fourth Proportional to 14,654.03, 20,222.52 and 7,939.83

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Solution

The fourth proportional to 14,654.03, 20,222.52 and 7,939.83 is: 10,956.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,654.03 : 20,222.52 = 7,939.83 : x
  2. Step 2: Convert to fraction form
    14,654.03/20,222.52 = 7,939.83/x
  3. Step 3: Cross multiply
    14,654.03x = 20,222.52 × 7,939.83
  4. Step 4: Simplify right side
    14,654.03x = 160,563,370.97
  5. Step 5: Solve for x
    x = 160,563,370.97/14,654.03
  6. Step 6: Final answer
    x = 10,956.95

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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.