Home / 17,745.55-26,618.20-6,644.36

Finding the Fourth Proportional to 17,745.55, 26,618.20 and 6,644.36

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Solution

The fourth proportional to 17,745.55, 26,618.20 and 6,644.36 is: 9,966.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,745.55 : 26,618.20 = 6,644.36 : x
  2. Step 2: Convert to fraction form
    17,745.55/26,618.20 = 6,644.36/x
  3. Step 3: Cross multiply
    17,745.55x = 26,618.20 × 6,644.36
  4. Step 4: Simplify right side
    17,745.55x = 176,860,990.66
  5. Step 5: Solve for x
    x = 176,860,990.66/17,745.55
  6. Step 6: Final answer
    x = 9,966.50

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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.