Home / 26,140.46-39,212.17-7,419.02

Finding the Fourth Proportional to 26,140.46, 39,212.17 and 7,419.02

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Solution

The fourth proportional to 26,140.46, 39,212.17 and 7,419.02 is: 11,128.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,140.46 : 39,212.17 = 7,419.02 : x
  2. Step 2: Convert to fraction form
    26,140.46/39,212.17 = 7,419.02/x
  3. Step 3: Cross multiply
    26,140.46x = 39,212.17 × 7,419.02
  4. Step 4: Simplify right side
    26,140.46x = 290,915,658.87
  5. Step 5: Solve for x
    x = 290,915,658.87/26,140.46
  6. Step 6: Final answer
    x = 11,128.94

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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.