Home / 15,099.68-22,649.48-3,855.01

Finding the Fourth Proportional to 15,099.68, 22,649.48 and 3,855.01

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Solution

The fourth proportional to 15,099.68, 22,649.48 and 3,855.01 is: 5,782.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,099.68 : 22,649.48 = 3,855.01 : x
  2. Step 2: Convert to fraction form
    15,099.68/22,649.48 = 3,855.01/x
  3. Step 3: Cross multiply
    15,099.68x = 22,649.48 × 3,855.01
  4. Step 4: Simplify right side
    15,099.68x = 87,313,974.60
  5. Step 5: Solve for x
    x = 87,313,974.60/15,099.68
  6. Step 6: Final answer
    x = 5,782.51

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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.