Home / 26,883.60-40,325.40-19,453.20

Finding the Fourth Proportional to 26,883.60, 40,325.40 and 19,453.20

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Solution

The fourth proportional to 26,883.60, 40,325.40 and 19,453.20 is: 29,179.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,883.60 : 40,325.40 = 19,453.20 : x
  2. Step 2: Convert to fraction form
    26,883.60/40,325.40 = 19,453.20/x
  3. Step 3: Cross multiply
    26,883.60x = 40,325.40 × 19,453.20
  4. Step 4: Simplify right side
    26,883.60x = 784,458,071.28
  5. Step 5: Solve for x
    x = 784,458,071.28/26,883.60
  6. Step 6: Final answer
    x = 29,179.80

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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.