Home / 17,070.22-25,695.92-12,173.74

Finding the Fourth Proportional to 17,070.22, 25,695.92 and 12,173.74

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Solution

The fourth proportional to 17,070.22, 25,695.92 and 12,173.74 is: 18,325.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,070.22 : 25,695.92 = 12,173.74 : x
  2. Step 2: Convert to fraction form
    17,070.22/25,695.92 = 12,173.74/x
  3. Step 3: Cross multiply
    17,070.22x = 25,695.92 × 12,173.74
  4. Step 4: Simplify right side
    17,070.22x = 312,815,449.14
  5. Step 5: Solve for x
    x = 312,815,449.14/17,070.22
  6. Step 6: Final answer
    x = 18,325.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.