Home / 19,895.10-27,456.56-11,826.62

Finding the Fourth Proportional to 19,895.10, 27,456.56 and 11,826.62

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Solution

The fourth proportional to 19,895.10, 27,456.56 and 11,826.62 is: 16,321.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,895.10 : 27,456.56 = 11,826.62 : x
  2. Step 2: Convert to fraction form
    19,895.10/27,456.56 = 11,826.62/x
  3. Step 3: Cross multiply
    19,895.10x = 27,456.56 × 11,826.62
  4. Step 4: Simplify right side
    19,895.10x = 324,718,301.63
  5. Step 5: Solve for x
    x = 324,718,301.63/19,895.10
  6. Step 6: Final answer
    x = 16,321.52

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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.