Home / 19,851.07-27,392.47-11,893.09

Finding the Fourth Proportional to 19,851.07, 27,392.47 and 11,893.09

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Solution

The fourth proportional to 19,851.07, 27,392.47 and 11,893.09 is: 16,411.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,851.07 : 27,392.47 = 11,893.09 : x
  2. Step 2: Convert to fraction form
    19,851.07/27,392.47 = 11,893.09/x
  3. Step 3: Cross multiply
    19,851.07x = 27,392.47 × 11,893.09
  4. Step 4: Simplify right side
    19,851.07x = 325,781,111.03
  5. Step 5: Solve for x
    x = 325,781,111.03/19,851.07
  6. Step 6: Final answer
    x = 16,411.26

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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.