Home / 14,051.30-19,390.28-8,083.89

Finding the Fourth Proportional to 14,051.30, 19,390.28 and 8,083.89

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Solution

The fourth proportional to 14,051.30, 19,390.28 and 8,083.89 is: 11,155.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.30 : 19,390.28 = 8,083.89 : x
  2. Step 2: Convert to fraction form
    14,051.30/19,390.28 = 8,083.89/x
  3. Step 3: Cross multiply
    14,051.30x = 19,390.28 × 8,083.89
  4. Step 4: Simplify right side
    14,051.30x = 156,748,850.17
  5. Step 5: Solve for x
    x = 156,748,850.17/14,051.30
  6. Step 6: Final answer
    x = 11,155.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.