Home / 17,920.72-26,766.48-16,229.60

Finding the Fourth Proportional to 17,920.72, 26,766.48 and 16,229.60

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Solution

The fourth proportional to 17,920.72, 26,766.48 and 16,229.60 is: 24,240.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,920.72 : 26,766.48 = 16,229.60 : x
  2. Step 2: Convert to fraction form
    17,920.72/26,766.48 = 16,229.60/x
  3. Step 3: Cross multiply
    17,920.72x = 26,766.48 × 16,229.60
  4. Step 4: Simplify right side
    17,920.72x = 434,409,263.81
  5. Step 5: Solve for x
    x = 434,409,263.81/17,920.72
  6. Step 6: Final answer
    x = 24,240.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.