Home / 25,778.18-35,576.13-15,022.49

Finding the Fourth Proportional to 25,778.18, 35,576.13 and 15,022.49

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Solution

The fourth proportional to 25,778.18, 35,576.13 and 15,022.49 is: 20,732.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,778.18 : 35,576.13 = 15,022.49 : x
  2. Step 2: Convert to fraction form
    25,778.18/35,576.13 = 15,022.49/x
  3. Step 3: Cross multiply
    25,778.18x = 35,576.13 × 15,022.49
  4. Step 4: Simplify right side
    25,778.18x = 534,441,879.28
  5. Step 5: Solve for x
    x = 534,441,879.28/25,778.18
  6. Step 6: Final answer
    x = 20,732.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.