Home / 26,819.64-40,220.70-19,441.08

Finding the Fourth Proportional to 26,819.64, 40,220.70 and 19,441.08

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Solution

The fourth proportional to 26,819.64, 40,220.70 and 19,441.08 is: 29,155.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,819.64 : 40,220.70 = 19,441.08 : x
  2. Step 2: Convert to fraction form
    26,819.64/40,220.70 = 19,441.08/x
  3. Step 3: Cross multiply
    26,819.64x = 40,220.70 × 19,441.08
  4. Step 4: Simplify right side
    26,819.64x = 781,933,846.36
  5. Step 5: Solve for x
    x = 781,933,846.36/26,819.64
  6. Step 6: Final answer
    x = 29,155.27

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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.