Home / 19,069.25-26,309.26-11,512.72

Finding the Fourth Proportional to 19,069.25, 26,309.26 and 11,512.72

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Solution

The fourth proportional to 19,069.25, 26,309.26 and 11,512.72 is: 15,883.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,069.25 : 26,309.26 = 11,512.72 : x
  2. Step 2: Convert to fraction form
    19,069.25/26,309.26 = 11,512.72/x
  3. Step 3: Cross multiply
    19,069.25x = 26,309.26 × 11,512.72
  4. Step 4: Simplify right side
    19,069.25x = 302,891,143.79
  5. Step 5: Solve for x
    x = 302,891,143.79/19,069.25
  6. Step 6: Final answer
    x = 15,883.75

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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.