Home / 25,201.56-34,772.21-21,183.66

Finding the Fourth Proportional to 25,201.56, 34,772.21 and 21,183.66

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Solution

The fourth proportional to 25,201.56, 34,772.21 and 21,183.66 is: 29,228.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,201.56 : 34,772.21 = 21,183.66 : x
  2. Step 2: Convert to fraction form
    25,201.56/34,772.21 = 21,183.66/x
  3. Step 3: Cross multiply
    25,201.56x = 34,772.21 × 21,183.66
  4. Step 4: Simplify right side
    25,201.56x = 736,602,553.19
  5. Step 5: Solve for x
    x = 736,602,553.19/25,201.56
  6. Step 6: Final answer
    x = 29,228.46

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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.