Home / 18,864.36-26,024.76-11,778.48

Finding the Fourth Proportional to 18,864.36, 26,024.76 and 11,778.48

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Solution

The fourth proportional to 18,864.36, 26,024.76 and 11,778.48 is: 16,249.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.36 : 26,024.76 = 11,778.48 : x
  2. Step 2: Convert to fraction form
    18,864.36/26,024.76 = 11,778.48/x
  3. Step 3: Cross multiply
    18,864.36x = 26,024.76 × 11,778.48
  4. Step 4: Simplify right side
    18,864.36x = 306,532,115.16
  5. Step 5: Solve for x
    x = 306,532,115.16/18,864.36
  6. Step 6: Final answer
    x = 16,249.27

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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.