Home / 27,625.20-41,437.80-9,157.20

Finding the Fourth Proportional to 27,625.20, 41,437.80 and 9,157.20

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Solution

The fourth proportional to 27,625.20, 41,437.80 and 9,157.20 is: 13,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,625.20 : 41,437.80 = 9,157.20 : x
  2. Step 2: Convert to fraction form
    27,625.20/41,437.80 = 9,157.20/x
  3. Step 3: Cross multiply
    27,625.20x = 41,437.80 × 9,157.20
  4. Step 4: Simplify right side
    27,625.20x = 379,454,222.16
  5. Step 5: Solve for x
    x = 379,454,222.16/27,625.20
  6. Step 6: Final answer
    x = 13,735.80

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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.