Home / 17,078.85-25,573.52-13,729.30

Finding the Fourth Proportional to 17,078.85, 25,573.52 and 13,729.30

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Solution

The fourth proportional to 17,078.85, 25,573.52 and 13,729.30 is: 20,557.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,078.85 : 25,573.52 = 13,729.30 : x
  2. Step 2: Convert to fraction form
    17,078.85/25,573.52 = 13,729.30/x
  3. Step 3: Cross multiply
    17,078.85x = 25,573.52 × 13,729.30
  4. Step 4: Simplify right side
    17,078.85x = 351,106,498.53
  5. Step 5: Solve for x
    x = 351,106,498.53/17,078.85
  6. Step 6: Final answer
    x = 20,557.97

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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.