Home / 18,369.93-25,351.03-11,200.26

Finding the Fourth Proportional to 18,369.93, 25,351.03 and 11,200.26

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Solution

The fourth proportional to 18,369.93, 25,351.03 and 11,200.26 is: 15,456.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,369.93 : 25,351.03 = 11,200.26 : x
  2. Step 2: Convert to fraction form
    18,369.93/25,351.03 = 11,200.26/x
  3. Step 3: Cross multiply
    18,369.93x = 25,351.03 × 11,200.26
  4. Step 4: Simplify right side
    18,369.93x = 283,938,127.27
  5. Step 5: Solve for x
    x = 283,938,127.27/18,369.93
  6. Step 6: Final answer
    x = 15,456.68

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1.5x scale

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.