Home / 19,151.49-26,418.24-11,492.79

Finding the Fourth Proportional to 19,151.49, 26,418.24 and 11,492.79

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Solution

The fourth proportional to 19,151.49, 26,418.24 and 11,492.79 is: 15,853.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,151.49 : 26,418.24 = 11,492.79 : x
  2. Step 2: Convert to fraction form
    19,151.49/26,418.24 = 11,492.79/x
  3. Step 3: Cross multiply
    19,151.49x = 26,418.24 × 11,492.79
  4. Step 4: Simplify right side
    19,151.49x = 303,619,284.49
  5. Step 5: Solve for x
    x = 303,619,284.49/19,151.49
  6. Step 6: Final answer
    x = 15,853.56

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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.