Home / 17,023.20-25,534.80-13,135.20

Finding the Fourth Proportional to 17,023.20, 25,534.80 and 13,135.20

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Solution

The fourth proportional to 17,023.20, 25,534.80 and 13,135.20 is: 19,702.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,023.20 : 25,534.80 = 13,135.20 : x
  2. Step 2: Convert to fraction form
    17,023.20/25,534.80 = 13,135.20/x
  3. Step 3: Cross multiply
    17,023.20x = 25,534.80 × 13,135.20
  4. Step 4: Simplify right side
    17,023.20x = 335,404,704.96
  5. Step 5: Solve for x
    x = 335,404,704.96/17,023.20
  6. Step 6: Final answer
    x = 19,702.80

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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.