Home / 25,205.88-34,786.26-13,877.58

Finding the Fourth Proportional to 25,205.88, 34,786.26 and 13,877.58

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Solution

The fourth proportional to 25,205.88, 34,786.26 and 13,877.58 is: 19,152.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,205.88 : 34,786.26 = 13,877.58 : x
  2. Step 2: Convert to fraction form
    25,205.88/34,786.26 = 13,877.58/x
  3. Step 3: Cross multiply
    25,205.88x = 34,786.26 × 13,877.58
  4. Step 4: Simplify right side
    25,205.88x = 482,749,106.05
  5. Step 5: Solve for x
    x = 482,749,106.05/25,205.88
  6. Step 6: Final answer
    x = 19,152.24

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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.