Home / 14,570.20-21,855.30-4,716.55

Finding the Fourth Proportional to 14,570.20, 21,855.30 and 4,716.55

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Solution

The fourth proportional to 14,570.20, 21,855.30 and 4,716.55 is: 7,074.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,570.20 : 21,855.30 = 4,716.55 : x
  2. Step 2: Convert to fraction form
    14,570.20/21,855.30 = 4,716.55/x
  3. Step 3: Cross multiply
    14,570.20x = 21,855.30 × 4,716.55
  4. Step 4: Simplify right side
    14,570.20x = 103,081,615.22
  5. Step 5: Solve for x
    x = 103,081,615.22/14,570.20
  6. Step 6: Final answer
    x = 7,074.83

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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.