Home / 18,646.08-27,973-5,497.36

Finding the Fourth Proportional to 18,646.08, 27,973 and 5,497.36

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Solution

The fourth proportional to 18,646.08, 27,973 and 5,497.36 is: 8,247.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,646.08 : 27,973 = 5,497.36 : x
  2. Step 2: Convert to fraction form
    18,646.08/27,973 = 5,497.36/x
  3. Step 3: Cross multiply
    18,646.08x = 27,973 × 5,497.36
  4. Step 4: Simplify right side
    18,646.08x = 153,777,651.28
  5. Step 5: Solve for x
    x = 153,777,651.28/18,646.08
  6. Step 6: Final answer
    x = 8,247.18

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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.