Home / 25,287.78-37,942.60-9,701.76

Finding the Fourth Proportional to 25,287.78, 37,942.60 and 9,701.76

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Solution

The fourth proportional to 25,287.78, 37,942.60 and 9,701.76 is: 14,556.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,287.78 : 37,942.60 = 9,701.76 : x
  2. Step 2: Convert to fraction form
    25,287.78/37,942.60 = 9,701.76/x
  3. Step 3: Cross multiply
    25,287.78x = 37,942.60 × 9,701.76
  4. Step 4: Simplify right side
    25,287.78x = 368,109,998.98
  5. Step 5: Solve for x
    x = 368,109,998.98/25,287.78
  6. Step 6: Final answer
    x = 14,556.83

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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.