Home / 14,274.99-21,406.82-5,504.31

Finding the Fourth Proportional to 14,274.99, 21,406.82 and 5,504.31

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Solution

The fourth proportional to 14,274.99, 21,406.82 and 5,504.31 is: 8,254.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274.99 : 21,406.82 = 5,504.31 : x
  2. Step 2: Convert to fraction form
    14,274.99/21,406.82 = 5,504.31/x
  3. Step 3: Cross multiply
    14,274.99x = 21,406.82 × 5,504.31
  4. Step 4: Simplify right side
    14,274.99x = 117,829,745.87
  5. Step 5: Solve for x
    x = 117,829,745.87/14,274.99
  6. Step 6: Final answer
    x = 8,254.28

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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.