Home / 14,651.30-21,974.70-4,790.63

Finding the Fourth Proportional to 14,651.30, 21,974.70 and 4,790.63

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Solution

The fourth proportional to 14,651.30, 21,974.70 and 4,790.63 is: 7,185.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,651.30 : 21,974.70 = 4,790.63 : x
  2. Step 2: Convert to fraction form
    14,651.30/21,974.70 = 4,790.63/x
  3. Step 3: Cross multiply
    14,651.30x = 21,974.70 × 4,790.63
  4. Step 4: Simplify right side
    14,651.30x = 105,272,657.06
  5. Step 5: Solve for x
    x = 105,272,657.06/14,651.30
  6. Step 6: Final answer
    x = 7,185.21

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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.