Home / 19,605.46-27,055.15-11,107.47

Finding the Fourth Proportional to 19,605.46, 27,055.15 and 11,107.47

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Solution

The fourth proportional to 19,605.46, 27,055.15 and 11,107.47 is: 15,328.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,605.46 : 27,055.15 = 11,107.47 : x
  2. Step 2: Convert to fraction form
    19,605.46/27,055.15 = 11,107.47/x
  3. Step 3: Cross multiply
    19,605.46x = 27,055.15 × 11,107.47
  4. Step 4: Simplify right side
    19,605.46x = 300,514,266.97
  5. Step 5: Solve for x
    x = 300,514,266.97/19,605.46
  6. Step 6: Final answer
    x = 15,328.09

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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.