Home / 19,515.06-26,928.18-11,014.38

Finding the Fourth Proportional to 19,515.06, 26,928.18 and 11,014.38

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Solution

The fourth proportional to 19,515.06, 26,928.18 and 11,014.38 is: 15,198.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.06 : 26,928.18 = 11,014.38 : x
  2. Step 2: Convert to fraction form
    19,515.06/26,928.18 = 11,014.38/x
  3. Step 3: Cross multiply
    19,515.06x = 26,928.18 × 11,014.38
  4. Step 4: Simplify right side
    19,515.06x = 296,597,207.23
  5. Step 5: Solve for x
    x = 296,597,207.23/19,515.06
  6. Step 6: Final answer
    x = 15,198.38

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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.