Home / 25,118.54-34,661.68-13,786.24

Finding the Fourth Proportional to 25,118.54, 34,661.68 and 13,786.24

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Solution

The fourth proportional to 25,118.54, 34,661.68 and 13,786.24 is: 19,023.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,118.54 : 34,661.68 = 13,786.24 : x
  2. Step 2: Convert to fraction form
    25,118.54/34,661.68 = 13,786.24/x
  3. Step 3: Cross multiply
    25,118.54x = 34,661.68 × 13,786.24
  4. Step 4: Simplify right side
    25,118.54x = 477,854,239.28
  5. Step 5: Solve for x
    x = 477,854,239.28/25,118.54
  6. Step 6: Final answer
    x = 19,023.97

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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.