Home / 19,843.51-27,382.05-11,885.53

Finding the Fourth Proportional to 19,843.51, 27,382.05 and 11,885.53

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Solution

The fourth proportional to 19,843.51, 27,382.05 and 11,885.53 is: 16,400.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,843.51 : 27,382.05 = 11,885.53 : x
  2. Step 2: Convert to fraction form
    19,843.51/27,382.05 = 11,885.53/x
  3. Step 3: Cross multiply
    19,843.51x = 27,382.05 × 11,885.53
  4. Step 4: Simplify right side
    19,843.51x = 325,450,176.74
  5. Step 5: Solve for x
    x = 325,450,176.74/19,843.51
  6. Step 6: Final answer
    x = 16,400.84

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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.