Home / 21,950.58-32,934.06-13,191.78

Finding the Fourth Proportional to 21,950.58, 32,934.06 and 13,191.78

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Solution

The fourth proportional to 21,950.58, 32,934.06 and 13,191.78 is: 19,792.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,950.58 : 32,934.06 = 13,191.78 : x
  2. Step 2: Convert to fraction form
    21,950.58/32,934.06 = 13,191.78/x
  3. Step 3: Cross multiply
    21,950.58x = 32,934.06 × 13,191.78
  4. Step 4: Simplify right side
    21,950.58x = 434,458,874.03
  5. Step 5: Solve for x
    x = 434,458,874.03/21,950.58
  6. Step 6: Final answer
    x = 19,792.59

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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.