Home / 15,090.53-22,635.78-5,229.80

Finding the Fourth Proportional to 15,090.53, 22,635.78 and 5,229.80

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Solution

The fourth proportional to 15,090.53, 22,635.78 and 5,229.80 is: 7,844.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,090.53 : 22,635.78 = 5,229.80 : x
  2. Step 2: Convert to fraction form
    15,090.53/22,635.78 = 5,229.80/x
  3. Step 3: Cross multiply
    15,090.53x = 22,635.78 × 5,229.80
  4. Step 4: Simplify right side
    15,090.53x = 118,380,489.07
  5. Step 5: Solve for x
    x = 118,380,489.07/15,090.53
  6. Step 6: Final answer
    x = 7,844.69

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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.