Home / 19,474.93-26,880.91-11,519.92

Finding the Fourth Proportional to 19,474.93, 26,880.91 and 11,519.92

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Solution

The fourth proportional to 19,474.93, 26,880.91 and 11,519.92 is: 15,900.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,474.93 : 26,880.91 = 11,519.92 : x
  2. Step 2: Convert to fraction form
    19,474.93/26,880.91 = 11,519.92/x
  3. Step 3: Cross multiply
    19,474.93x = 26,880.91 × 11,519.92
  4. Step 4: Simplify right side
    19,474.93x = 309,666,002.33
  5. Step 5: Solve for x
    x = 309,666,002.33/19,474.93
  6. Step 6: Final answer
    x = 15,900.75

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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.