Home / 19,881.27-27,407.19-13,894.33

Finding the Fourth Proportional to 19,881.27, 27,407.19 and 13,894.33

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Solution

The fourth proportional to 19,881.27, 27,407.19 and 13,894.33 is: 19,153.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,881.27 : 27,407.19 = 13,894.33 : x
  2. Step 2: Convert to fraction form
    19,881.27/27,407.19 = 13,894.33/x
  3. Step 3: Cross multiply
    19,881.27x = 27,407.19 × 13,894.33
  4. Step 4: Simplify right side
    19,881.27x = 380,804,542.23
  5. Step 5: Solve for x
    x = 380,804,542.23/19,881.27
  6. Step 6: Final answer
    x = 19,153.93

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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.