Home / 25,555.37-38,290.46-8,906.22

Finding the Fourth Proportional to 25,555.37, 38,290.46 and 8,906.22

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Solution

The fourth proportional to 25,555.37, 38,290.46 and 8,906.22 is: 13,344.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,555.37 : 38,290.46 = 8,906.22 : x
  2. Step 2: Convert to fraction form
    25,555.37/38,290.46 = 8,906.22/x
  3. Step 3: Cross multiply
    25,555.37x = 38,290.46 × 8,906.22
  4. Step 4: Simplify right side
    25,555.37x = 341,023,216.13
  5. Step 5: Solve for x
    x = 341,023,216.13/25,555.37
  6. Step 6: Final answer
    x = 13,344.49

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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.