Home / 14,651.10-21,976.65-4,790.70

Finding the Fourth Proportional to 14,651.10, 21,976.65 and 4,790.70

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Solution

The fourth proportional to 14,651.10, 21,976.65 and 4,790.70 is: 7,186.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,651.10 : 21,976.65 = 4,790.70 : x
  2. Step 2: Convert to fraction form
    14,651.10/21,976.65 = 4,790.70/x
  3. Step 3: Cross multiply
    14,651.10x = 21,976.65 × 4,790.70
  4. Step 4: Simplify right side
    14,651.10x = 105,283,537.16
  5. Step 5: Solve for x
    x = 105,283,537.16/14,651.10
  6. Step 6: Final answer
    x = 7,186.05

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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.