Home / 13,866.22-20,786.91-5,095

Finding the Fourth Proportional to 13,866.22, 20,786.91 and 5,095

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Solution

The fourth proportional to 13,866.22, 20,786.91 and 5,095 is: 7,637.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,866.22 : 20,786.91 = 5,095 : x
  2. Step 2: Convert to fraction form
    13,866.22/20,786.91 = 5,095/x
  3. Step 3: Cross multiply
    13,866.22x = 20,786.91 × 5,095
  4. Step 4: Simplify right side
    13,866.22x = 105,909,306.45
  5. Step 5: Solve for x
    x = 105,909,306.45/13,866.22
  6. Step 6: Final answer
    x = 7,637.94

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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.