Home / 17,205.75-23,747.85-10,134.45

Finding the Fourth Proportional to 17,205.75, 23,747.85 and 10,134.45

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Solution

The fourth proportional to 17,205.75, 23,747.85 and 10,134.45 is: 13,987.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,205.75 : 23,747.85 = 10,134.45 : x
  2. Step 2: Convert to fraction form
    17,205.75/23,747.85 = 10,134.45/x
  3. Step 3: Cross multiply
    17,205.75x = 23,747.85 × 10,134.45
  4. Step 4: Simplify right side
    17,205.75x = 240,671,398.43
  5. Step 5: Solve for x
    x = 240,671,398.43/17,205.75
  6. Step 6: Final answer
    x = 13,987.85

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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.