Home / 17,120.58-25,680.60-5,433.66

Finding the Fourth Proportional to 17,120.58, 25,680.60 and 5,433.66

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Solution

The fourth proportional to 17,120.58, 25,680.60 and 5,433.66 is: 8,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,120.58 : 25,680.60 = 5,433.66 : x
  2. Step 2: Convert to fraction form
    17,120.58/25,680.60 = 5,433.66/x
  3. Step 3: Cross multiply
    17,120.58x = 25,680.60 × 5,433.66
  4. Step 4: Simplify right side
    17,120.58x = 139,539,649.00
  5. Step 5: Solve for x
    x = 139,539,649.00/17,120.58
  6. Step 6: Final answer
    x = 8,150.40

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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.