Home / 19,826.43-27,362.79-11,329.94

Finding the Fourth Proportional to 19,826.43, 27,362.79 and 11,329.94

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Solution

The fourth proportional to 19,826.43, 27,362.79 and 11,329.94 is: 15,636.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,826.43 : 27,362.79 = 11,329.94 : x
  2. Step 2: Convert to fraction form
    19,826.43/27,362.79 = 11,329.94/x
  3. Step 3: Cross multiply
    19,826.43x = 27,362.79 × 11,329.94
  4. Step 4: Simplify right side
    19,826.43x = 310,018,632.12
  5. Step 5: Solve for x
    x = 310,018,632.12/19,826.43
  6. Step 6: Final answer
    x = 15,636.63

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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.