Home / 12,369.23-18,551.55-3,602.06

Finding the Fourth Proportional to 12,369.23, 18,551.55 and 3,602.06

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Solution

The fourth proportional to 12,369.23, 18,551.55 and 3,602.06 is: 5,402.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,369.23 : 18,551.55 = 3,602.06 : x
  2. Step 2: Convert to fraction form
    12,369.23/18,551.55 = 3,602.06/x
  3. Step 3: Cross multiply
    12,369.23x = 18,551.55 × 3,602.06
  4. Step 4: Simplify right side
    12,369.23x = 66,823,796.19
  5. Step 5: Solve for x
    x = 66,823,796.19/12,369.23
  6. Step 6: Final answer
    x = 5,402.42

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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.