Home / 20,546.73-30,760.02-18,576.95

Finding the Fourth Proportional to 20,546.73, 30,760.02 and 18,576.95

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Solution

The fourth proportional to 20,546.73, 30,760.02 and 18,576.95 is: 27,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,546.73 : 30,760.02 = 18,576.95 : x
  2. Step 2: Convert to fraction form
    20,546.73/30,760.02 = 18,576.95/x
  3. Step 3: Cross multiply
    20,546.73x = 30,760.02 × 18,576.95
  4. Step 4: Simplify right side
    20,546.73x = 571,427,199.74
  5. Step 5: Solve for x
    x = 571,427,199.74/20,546.73
  6. Step 6: Final answer
    x = 27,811.10

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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.