Home / 18,603.03-25,662.66-11,881.59

Finding the Fourth Proportional to 18,603.03, 25,662.66 and 11,881.59

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Solution

The fourth proportional to 18,603.03, 25,662.66 and 11,881.59 is: 16,390.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,603.03 : 25,662.66 = 11,881.59 : x
  2. Step 2: Convert to fraction form
    18,603.03/25,662.66 = 11,881.59/x
  3. Step 3: Cross multiply
    18,603.03x = 25,662.66 × 11,881.59
  4. Step 4: Simplify right side
    18,603.03x = 304,913,204.43
  5. Step 5: Solve for x
    x = 304,913,204.43/18,603.03
  6. Step 6: Final answer
    x = 16,390.51

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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.