Home / 23,157.10-31,956.83-12,546.73

Finding the Fourth Proportional to 23,157.10, 31,956.83 and 12,546.73

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Solution

The fourth proportional to 23,157.10, 31,956.83 and 12,546.73 is: 17,314.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,157.10 : 31,956.83 = 12,546.73 : x
  2. Step 2: Convert to fraction form
    23,157.10/31,956.83 = 12,546.73/x
  3. Step 3: Cross multiply
    23,157.10x = 31,956.83 × 12,546.73
  4. Step 4: Simplify right side
    23,157.10x = 400,953,717.67
  5. Step 5: Solve for x
    x = 400,953,717.67/23,157.10
  6. Step 6: Final answer
    x = 17,314.50

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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.