Home / 25,220.79-37,825.11-11,173.05

Finding the Fourth Proportional to 25,220.79, 37,825.11 and 11,173.05

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Solution

The fourth proportional to 25,220.79, 37,825.11 and 11,173.05 is: 16,756.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,220.79 : 37,825.11 = 11,173.05 : x
  2. Step 2: Convert to fraction form
    25,220.79/37,825.11 = 11,173.05/x
  3. Step 3: Cross multiply
    25,220.79x = 37,825.11 × 11,173.05
  4. Step 4: Simplify right side
    25,220.79x = 422,621,845.29
  5. Step 5: Solve for x
    x = 422,621,845.29/25,220.79
  6. Step 6: Final answer
    x = 16,756.88

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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.