Home / 19,292.67-28,956.87-11,911.59

Finding the Fourth Proportional to 19,292.67, 28,956.87 and 11,911.59

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Solution

The fourth proportional to 19,292.67, 28,956.87 and 11,911.59 is: 17,878.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,292.67 : 28,956.87 = 11,911.59 : x
  2. Step 2: Convert to fraction form
    19,292.67/28,956.87 = 11,911.59/x
  3. Step 3: Cross multiply
    19,292.67x = 28,956.87 × 11,911.59
  4. Step 4: Simplify right side
    19,292.67x = 344,922,363.12
  5. Step 5: Solve for x
    x = 344,922,363.12/19,292.67
  6. Step 6: Final answer
    x = 17,878.42

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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.