Home / 13,696.62-18,901.35-8,663.01

Finding the Fourth Proportional to 13,696.62, 18,901.35 and 8,663.01

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Solution

The fourth proportional to 13,696.62, 18,901.35 and 8,663.01 is: 11,954.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,696.62 : 18,901.35 = 8,663.01 : x
  2. Step 2: Convert to fraction form
    13,696.62/18,901.35 = 8,663.01/x
  3. Step 3: Cross multiply
    13,696.62x = 18,901.35 × 8,663.01
  4. Step 4: Simplify right side
    13,696.62x = 163,742,584.06
  5. Step 5: Solve for x
    x = 163,742,584.06/13,696.62
  6. Step 6: Final answer
    x = 11,954.96

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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.