Home / 14,451.63-21,664.29-5,561.28

Finding the Fourth Proportional to 14,451.63, 21,664.29 and 5,561.28

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Solution

The fourth proportional to 14,451.63, 21,664.29 and 5,561.28 is: 8,336.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,451.63 : 21,664.29 = 5,561.28 : x
  2. Step 2: Convert to fraction form
    14,451.63/21,664.29 = 5,561.28/x
  3. Step 3: Cross multiply
    14,451.63x = 21,664.29 × 5,561.28
  4. Step 4: Simplify right side
    14,451.63x = 120,481,203.55
  5. Step 5: Solve for x
    x = 120,481,203.55/14,451.63
  6. Step 6: Final answer
    x = 8,336.86

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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.