Home / 19,013.91-26,227.98-11,928.03

Finding the Fourth Proportional to 19,013.91, 26,227.98 and 11,928.03

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Solution

The fourth proportional to 19,013.91, 26,227.98 and 11,928.03 is: 16,453.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.91 : 26,227.98 = 11,928.03 : x
  2. Step 2: Convert to fraction form
    19,013.91/26,227.98 = 11,928.03/x
  3. Step 3: Cross multiply
    19,013.91x = 26,227.98 × 11,928.03
  4. Step 4: Simplify right side
    19,013.91x = 312,848,132.28
  5. Step 5: Solve for x
    x = 312,848,132.28/19,013.91
  6. Step 6: Final answer
    x = 16,453.65

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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.