Home / 26,245.60-39,272.40-19,333.60

Finding the Fourth Proportional to 26,245.60, 39,272.40 and 19,333.60

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Solution

The fourth proportional to 26,245.60, 39,272.40 and 19,333.60 is: 28,929.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,245.60 : 39,272.40 = 19,333.60 : x
  2. Step 2: Convert to fraction form
    26,245.60/39,272.40 = 19,333.60/x
  3. Step 3: Cross multiply
    26,245.60x = 39,272.40 × 19,333.60
  4. Step 4: Simplify right side
    26,245.60x = 759,276,872.64
  5. Step 5: Solve for x
    x = 759,276,872.64/26,245.60
  6. Step 6: Final answer
    x = 28,929.68

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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.