Home / 19,863.49-27,412.11-10,911.83

Finding the Fourth Proportional to 19,863.49, 27,412.11 and 10,911.83

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Solution

The fourth proportional to 19,863.49, 27,412.11 and 10,911.83 is: 15,058.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863.49 : 27,412.11 = 10,911.83 : x
  2. Step 2: Convert to fraction form
    19,863.49/27,412.11 = 10,911.83/x
  3. Step 3: Cross multiply
    19,863.49x = 27,412.11 × 10,911.83
  4. Step 4: Simplify right side
    19,863.49x = 299,116,284.26
  5. Step 5: Solve for x
    x = 299,116,284.26/19,863.49
  6. Step 6: Final answer
    x = 15,058.60

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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.