Home / 14,014.01-21,020.56-5,691.57

Finding the Fourth Proportional to 14,014.01, 21,020.56 and 5,691.57

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Solution

The fourth proportional to 14,014.01, 21,020.56 and 5,691.57 is: 8,537.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.01 : 21,020.56 = 5,691.57 : x
  2. Step 2: Convert to fraction form
    14,014.01/21,020.56 = 5,691.57/x
  3. Step 3: Cross multiply
    14,014.01x = 21,020.56 × 5,691.57
  4. Step 4: Simplify right side
    14,014.01x = 119,639,927.64
  5. Step 5: Solve for x
    x = 119,639,927.64/14,014.01
  6. Step 6: Final answer
    x = 8,537.16

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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.