Home / 30,255.06-41,747.40-16,826.40

Finding the Fourth Proportional to 30,255.06, 41,747.40 and 16,826.40

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Solution

The fourth proportional to 30,255.06, 41,747.40 and 16,826.40 is: 23,217.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,255.06 : 41,747.40 = 16,826.40 : x
  2. Step 2: Convert to fraction form
    30,255.06/41,747.40 = 16,826.40/x
  3. Step 3: Cross multiply
    30,255.06x = 41,747.40 × 16,826.40
  4. Step 4: Simplify right side
    30,255.06x = 702,458,451.36
  5. Step 5: Solve for x
    x = 702,458,451.36/30,255.06
  6. Step 6: Final answer
    x = 23,217.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.