Home / 19,883.27-27,409.95-13,896.33

Finding the Fourth Proportional to 19,883.27, 27,409.95 and 13,896.33

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Solution

The fourth proportional to 19,883.27, 27,409.95 and 13,896.33 is: 19,156.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,883.27 : 27,409.95 = 13,896.33 : x
  2. Step 2: Convert to fraction form
    19,883.27/27,409.95 = 13,896.33/x
  3. Step 3: Cross multiply
    19,883.27x = 27,409.95 × 13,896.33
  4. Step 4: Simplify right side
    19,883.27x = 380,897,710.48
  5. Step 5: Solve for x
    x = 380,897,710.48/19,883.27
  6. Step 6: Final answer
    x = 19,156.69

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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.