Home / 14,254.85-21,367.16-5,485.97

Finding the Fourth Proportional to 14,254.85, 21,367.16 and 5,485.97

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Solution

The fourth proportional to 14,254.85, 21,367.16 and 5,485.97 is: 8,223.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,254.85 : 21,367.16 = 5,485.97 : x
  2. Step 2: Convert to fraction form
    14,254.85/21,367.16 = 5,485.97/x
  3. Step 3: Cross multiply
    14,254.85x = 21,367.16 × 5,485.97
  4. Step 4: Simplify right side
    14,254.85x = 117,219,571.32
  5. Step 5: Solve for x
    x = 117,219,571.32/14,254.85
  6. Step 6: Final answer
    x = 8,223.14

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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.