Home / 19,625.09-27,086.81-12,071.43

Finding the Fourth Proportional to 19,625.09, 27,086.81 and 12,071.43

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Solution

The fourth proportional to 19,625.09, 27,086.81 and 12,071.43 is: 16,661.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,625.09 : 27,086.81 = 12,071.43 : x
  2. Step 2: Convert to fraction form
    19,625.09/27,086.81 = 12,071.43/x
  3. Step 3: Cross multiply
    19,625.09x = 27,086.81 × 12,071.43
  4. Step 4: Simplify right side
    19,625.09x = 326,976,470.48
  5. Step 5: Solve for x
    x = 326,976,470.48/19,625.09
  6. Step 6: Final answer
    x = 16,661.15

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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.