Home / 20,746.92-31,114.78-7,599.36

Finding the Fourth Proportional to 20,746.92, 31,114.78 and 7,599.36

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Solution

The fourth proportional to 20,746.92, 31,114.78 and 7,599.36 is: 11,396.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,746.92 : 31,114.78 = 7,599.36 : x
  2. Step 2: Convert to fraction form
    20,746.92/31,114.78 = 7,599.36/x
  3. Step 3: Cross multiply
    20,746.92x = 31,114.78 × 7,599.36
  4. Step 4: Simplify right side
    20,746.92x = 236,452,414.54
  5. Step 5: Solve for x
    x = 236,452,414.54/20,746.92
  6. Step 6: Final answer
    x = 11,396.99

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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.