Home / 19,072.40-26,315.62-11,519.96

Finding the Fourth Proportional to 19,072.40, 26,315.62 and 11,519.96

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Solution

The fourth proportional to 19,072.40, 26,315.62 and 11,519.96 is: 15,894.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,072.40 : 26,315.62 = 11,519.96 : x
  2. Step 2: Convert to fraction form
    19,072.40/26,315.62 = 11,519.96/x
  3. Step 3: Cross multiply
    19,072.40x = 26,315.62 × 11,519.96
  4. Step 4: Simplify right side
    19,072.40x = 303,154,889.78
  5. Step 5: Solve for x
    x = 303,154,889.78/19,072.40
  6. Step 6: Final answer
    x = 15,894.95

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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.