Home / 19,519.53-26,936.80-11,021.57

Finding the Fourth Proportional to 19,519.53, 26,936.80 and 11,021.57

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Solution

The fourth proportional to 19,519.53, 26,936.80 and 11,021.57 is: 15,209.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,519.53 : 26,936.80 = 11,021.57 : x
  2. Step 2: Convert to fraction form
    19,519.53/26,936.80 = 11,021.57/x
  3. Step 3: Cross multiply
    19,519.53x = 26,936.80 × 11,021.57
  4. Step 4: Simplify right side
    19,519.53x = 296,885,826.78
  5. Step 5: Solve for x
    x = 296,885,826.78/19,519.53
  6. Step 6: Final answer
    x = 15,209.68

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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.