Home / 17,610.94-26,391.75-12,657.34

Finding the Fourth Proportional to 17,610.94, 26,391.75 and 12,657.34

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Solution

The fourth proportional to 17,610.94, 26,391.75 and 12,657.34 is: 18,968.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,610.94 : 26,391.75 = 12,657.34 : x
  2. Step 2: Convert to fraction form
    17,610.94/26,391.75 = 12,657.34/x
  3. Step 3: Cross multiply
    17,610.94x = 26,391.75 × 12,657.34
  4. Step 4: Simplify right side
    17,610.94x = 334,049,352.95
  5. Step 5: Solve for x
    x = 334,049,352.95/17,610.94
  6. Step 6: Final answer
    x = 18,968.29

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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.