Home / 19,616.97-27,071.31-10,664.55

Finding the Fourth Proportional to 19,616.97, 27,071.31 and 10,664.55

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Solution

The fourth proportional to 19,616.97, 27,071.31 and 10,664.55 is: 14,717.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,616.97 : 27,071.31 = 10,664.55 : x
  2. Step 2: Convert to fraction form
    19,616.97/27,071.31 = 10,664.55/x
  3. Step 3: Cross multiply
    19,616.97x = 27,071.31 × 10,664.55
  4. Step 4: Simplify right side
    19,616.97x = 288,703,339.06
  5. Step 5: Solve for x
    x = 288,703,339.06/19,616.97
  6. Step 6: Final answer
    x = 14,717.02

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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.