Home / 18,126.33-25,017.75-11,827.77

Finding the Fourth Proportional to 18,126.33, 25,017.75 and 11,827.77

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Solution

The fourth proportional to 18,126.33, 25,017.75 and 11,827.77 is: 16,324.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126.33 : 25,017.75 = 11,827.77 : x
  2. Step 2: Convert to fraction form
    18,126.33/25,017.75 = 11,827.77/x
  3. Step 3: Cross multiply
    18,126.33x = 25,017.75 × 11,827.77
  4. Step 4: Simplify right side
    18,126.33x = 295,904,192.92
  5. Step 5: Solve for x
    x = 295,904,192.92/18,126.33
  6. Step 6: Final answer
    x = 16,324.55

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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.