Home / 13,116.13-19,669.94-4,348.69

Finding the Fourth Proportional to 13,116.13, 19,669.94 and 4,348.69

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Solution

The fourth proportional to 13,116.13, 19,669.94 and 4,348.69 is: 6,521.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116.13 : 19,669.94 = 4,348.69 : x
  2. Step 2: Convert to fraction form
    13,116.13/19,669.94 = 4,348.69/x
  3. Step 3: Cross multiply
    13,116.13x = 19,669.94 × 4,348.69
  4. Step 4: Simplify right side
    13,116.13x = 85,538,416.77
  5. Step 5: Solve for x
    x = 85,538,416.77/13,116.13
  6. Step 6: Final answer
    x = 6,521.62

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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.