Home / 14,431.02-21,644.85-3,900.54

Finding the Fourth Proportional to 14,431.02, 21,644.85 and 3,900.54

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Solution

The fourth proportional to 14,431.02, 21,644.85 and 3,900.54 is: 5,850.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,431.02 : 21,644.85 = 3,900.54 : x
  2. Step 2: Convert to fraction form
    14,431.02/21,644.85 = 3,900.54/x
  3. Step 3: Cross multiply
    14,431.02x = 21,644.85 × 3,900.54
  4. Step 4: Simplify right side
    14,431.02x = 84,426,603.22
  5. Step 5: Solve for x
    x = 84,426,603.22/14,431.02
  6. Step 6: Final answer
    x = 5,850.36

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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.