Home / 20,694.35-31,048.85-7,548.05

Finding the Fourth Proportional to 20,694.35, 31,048.85 and 7,548.05

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Solution

The fourth proportional to 20,694.35, 31,048.85 and 7,548.05 is: 11,324.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,694.35 : 31,048.85 = 7,548.05 : x
  2. Step 2: Convert to fraction form
    20,694.35/31,048.85 = 7,548.05/x
  3. Step 3: Cross multiply
    20,694.35x = 31,048.85 × 7,548.05
  4. Step 4: Simplify right side
    20,694.35x = 234,358,368.73
  5. Step 5: Solve for x
    x = 234,358,368.73/20,694.35
  6. Step 6: Final answer
    x = 11,324.75

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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.