Home / 17,125.40-25,652.39-13,775.58

Finding the Fourth Proportional to 17,125.40, 25,652.39 and 13,775.58

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Solution

The fourth proportional to 17,125.40, 25,652.39 and 13,775.58 is: 20,634.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,125.40 : 25,652.39 = 13,775.58 : x
  2. Step 2: Convert to fraction form
    17,125.40/25,652.39 = 13,775.58/x
  3. Step 3: Cross multiply
    17,125.40x = 25,652.39 × 13,775.58
  4. Step 4: Simplify right side
    17,125.40x = 353,376,481.76
  5. Step 5: Solve for x
    x = 353,376,481.76/17,125.40
  6. Step 6: Final answer
    x = 20,634.65

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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.