Home / 23,078.45-31,847.24-13,006.85

Finding the Fourth Proportional to 23,078.45, 31,847.24 and 13,006.85

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Solution

The fourth proportional to 23,078.45, 31,847.24 and 13,006.85 is: 17,948.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,078.45 : 31,847.24 = 13,006.85 : x
  2. Step 2: Convert to fraction form
    23,078.45/31,847.24 = 13,006.85/x
  3. Step 3: Cross multiply
    23,078.45x = 31,847.24 × 13,006.85
  4. Step 4: Simplify right side
    23,078.45x = 414,232,146.87
  5. Step 5: Solve for x
    x = 414,232,146.87/23,078.45
  6. Step 6: Final answer
    x = 17,948.87

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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.