Home / 14,068.30-21,095.91-5,181.38

Finding the Fourth Proportional to 14,068.30, 21,095.91 and 5,181.38

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Solution

The fourth proportional to 14,068.30, 21,095.91 and 5,181.38 is: 7,769.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,068.30 : 21,095.91 = 5,181.38 : x
  2. Step 2: Convert to fraction form
    14,068.30/21,095.91 = 5,181.38/x
  3. Step 3: Cross multiply
    14,068.30x = 21,095.91 × 5,181.38
  4. Step 4: Simplify right side
    14,068.30x = 109,305,926.16
  5. Step 5: Solve for x
    x = 109,305,926.16/14,068.30
  6. Step 6: Final answer
    x = 7,769.66

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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.