Home / 14,561.08-21,845.04-4,172.56

Finding the Fourth Proportional to 14,561.08, 21,845.04 and 4,172.56

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Solution

The fourth proportional to 14,561.08, 21,845.04 and 4,172.56 is: 6,259.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,561.08 : 21,845.04 = 4,172.56 : x
  2. Step 2: Convert to fraction form
    14,561.08/21,845.04 = 4,172.56/x
  3. Step 3: Cross multiply
    14,561.08x = 21,845.04 × 4,172.56
  4. Step 4: Simplify right side
    14,561.08x = 91,149,740.10
  5. Step 5: Solve for x
    x = 91,149,740.10/14,561.08
  6. Step 6: Final answer
    x = 6,259.82

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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.