Home / 25,151.12-37,648.92-21,418.64

Finding the Fourth Proportional to 25,151.12, 37,648.92 and 21,418.64

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Solution

The fourth proportional to 25,151.12, 37,648.92 and 21,418.64 is: 32,061.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,151.12 : 37,648.92 = 21,418.64 : x
  2. Step 2: Convert to fraction form
    25,151.12/37,648.92 = 21,418.64/x
  3. Step 3: Cross multiply
    25,151.12x = 37,648.92 × 21,418.64
  4. Step 4: Simplify right side
    25,151.12x = 806,388,663.87
  5. Step 5: Solve for x
    x = 806,388,663.87/25,151.12
  6. Step 6: Final answer
    x = 32,061.74

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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.