Home / 13,842.28-19,068.90-11,846.44

Finding the Fourth Proportional to 13,842.28, 19,068.90 and 11,846.44

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Solution

The fourth proportional to 13,842.28, 19,068.90 and 11,846.44 is: 16,319.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842.28 : 19,068.90 = 11,846.44 : x
  2. Step 2: Convert to fraction form
    13,842.28/19,068.90 = 11,846.44/x
  3. Step 3: Cross multiply
    13,842.28x = 19,068.90 × 11,846.44
  4. Step 4: Simplify right side
    13,842.28x = 225,898,579.72
  5. Step 5: Solve for x
    x = 225,898,579.72/13,842.28
  6. Step 6: Final answer
    x = 16,319.46

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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.