Home / 23,156.46-31,956.02-12,546.09

Finding the Fourth Proportional to 23,156.46, 31,956.02 and 12,546.09

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Solution

The fourth proportional to 23,156.46, 31,956.02 and 12,546.09 is: 17,313.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,156.46 : 31,956.02 = 12,546.09 : x
  2. Step 2: Convert to fraction form
    23,156.46/31,956.02 = 12,546.09/x
  3. Step 3: Cross multiply
    23,156.46x = 31,956.02 × 12,546.09
  4. Step 4: Simplify right side
    23,156.46x = 400,923,040.23
  5. Step 5: Solve for x
    x = 400,923,040.23/23,156.46
  6. Step 6: Final answer
    x = 17,313.66

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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.