Home / 14,260.80-21,385.68-4,899.04

Finding the Fourth Proportional to 14,260.80, 21,385.68 and 4,899.04

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Solution

The fourth proportional to 14,260.80, 21,385.68 and 4,899.04 is: 7,346.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.80 : 21,385.68 = 4,899.04 : x
  2. Step 2: Convert to fraction form
    14,260.80/21,385.68 = 4,899.04/x
  3. Step 3: Cross multiply
    14,260.80x = 21,385.68 × 4,899.04
  4. Step 4: Simplify right side
    14,260.80x = 104,769,301.75
  5. Step 5: Solve for x
    x = 104,769,301.75/14,260.80
  6. Step 6: Final answer
    x = 7,346.66

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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.