Home / 25,910.84-38,865.82-11,671.39

Finding the Fourth Proportional to 25,910.84, 38,865.82 and 11,671.39

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Solution

The fourth proportional to 25,910.84, 38,865.82 and 11,671.39 is: 17,506.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,910.84 : 38,865.82 = 11,671.39 : x
  2. Step 2: Convert to fraction form
    25,910.84/38,865.82 = 11,671.39/x
  3. Step 3: Cross multiply
    25,910.84x = 38,865.82 × 11,671.39
  4. Step 4: Simplify right side
    25,910.84x = 453,618,142.89
  5. Step 5: Solve for x
    x = 453,618,142.89/25,910.84
  6. Step 6: Final answer
    x = 17,506.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.