Home / 10,018.68-15,028.02-2,622.36

Finding the Fourth Proportional to 10,018.68, 15,028.02 and 2,622.36

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Solution

The fourth proportional to 10,018.68, 15,028.02 and 2,622.36 is: 3,933.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018.68 : 15,028.02 = 2,622.36 : x
  2. Step 2: Convert to fraction form
    10,018.68/15,028.02 = 2,622.36/x
  3. Step 3: Cross multiply
    10,018.68x = 15,028.02 × 2,622.36
  4. Step 4: Simplify right side
    10,018.68x = 39,408,878.53
  5. Step 5: Solve for x
    x = 39,408,878.53/10,018.68
  6. Step 6: Final answer
    x = 3,933.54

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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.