Home / 25,227.20-37,840.80-22,408.40

Finding the Fourth Proportional to 25,227.20, 37,840.80 and 22,408.40

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Solution

The fourth proportional to 25,227.20, 37,840.80 and 22,408.40 is: 33,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,227.20 : 37,840.80 = 22,408.40 : x
  2. Step 2: Convert to fraction form
    25,227.20/37,840.80 = 22,408.40/x
  3. Step 3: Cross multiply
    25,227.20x = 37,840.80 × 22,408.40
  4. Step 4: Simplify right side
    25,227.20x = 847,951,782.72
  5. Step 5: Solve for x
    x = 847,951,782.72/25,227.20
  6. Step 6: Final answer
    x = 33,612.60

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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.