Home / 19,618.33-27,073.97-11,120.35

Finding the Fourth Proportional to 19,618.33, 27,073.97 and 11,120.35

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Solution

The fourth proportional to 19,618.33, 27,073.97 and 11,120.35 is: 15,346.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.33 : 27,073.97 = 11,120.35 : x
  2. Step 2: Convert to fraction form
    19,618.33/27,073.97 = 11,120.35/x
  3. Step 3: Cross multiply
    19,618.33x = 27,073.97 × 11,120.35
  4. Step 4: Simplify right side
    19,618.33x = 301,071,966.69
  5. Step 5: Solve for x
    x = 301,071,966.69/19,618.33
  6. Step 6: Final answer
    x = 15,346.46

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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.