Home / 20,654.62-30,956.55-9,546.28

Finding the Fourth Proportional to 20,654.62, 30,956.55 and 9,546.28

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Solution

The fourth proportional to 20,654.62, 30,956.55 and 9,546.28 is: 14,307.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,654.62 : 30,956.55 = 9,546.28 : x
  2. Step 2: Convert to fraction form
    20,654.62/30,956.55 = 9,546.28/x
  3. Step 3: Cross multiply
    20,654.62x = 30,956.55 × 9,546.28
  4. Step 4: Simplify right side
    20,654.62x = 295,519,894.13
  5. Step 5: Solve for x
    x = 295,519,894.13/20,654.62
  6. Step 6: Final answer
    x = 14,307.69

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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.