Home / 13,982.58-19,296.18-7,695

Finding the Fourth Proportional to 13,982.58, 19,296.18 and 7,695

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Solution

The fourth proportional to 13,982.58, 19,296.18 and 7,695 is: 10,619.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.58 : 19,296.18 = 7,695 : x
  2. Step 2: Convert to fraction form
    13,982.58/19,296.18 = 7,695/x
  3. Step 3: Cross multiply
    13,982.58x = 19,296.18 × 7,695
  4. Step 4: Simplify right side
    13,982.58x = 148,484,105.10
  5. Step 5: Solve for x
    x = 148,484,105.10/13,982.58
  6. Step 6: Final answer
    x = 10,619.22

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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.