Home / 21,956.31-32,930.73-6,157.71

Finding the Fourth Proportional to 21,956.31, 32,930.73 and 6,157.71

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Solution

The fourth proportional to 21,956.31, 32,930.73 and 6,157.71 is: 9,235.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,956.31 : 32,930.73 = 6,157.71 : x
  2. Step 2: Convert to fraction form
    21,956.31/32,930.73 = 6,157.71/x
  3. Step 3: Cross multiply
    21,956.31x = 32,930.73 × 6,157.71
  4. Step 4: Simplify right side
    21,956.31x = 202,777,885.43
  5. Step 5: Solve for x
    x = 202,777,885.43/21,956.31
  6. Step 6: Final answer
    x = 9,235.52

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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.