Home / 19,811.39-27,293.76-13,833.59

Finding the Fourth Proportional to 19,811.39, 27,293.76 and 13,833.59

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Solution

The fourth proportional to 19,811.39, 27,293.76 and 13,833.59 is: 19,058.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,811.39 : 27,293.76 = 13,833.59 : x
  2. Step 2: Convert to fraction form
    19,811.39/27,293.76 = 13,833.59/x
  3. Step 3: Cross multiply
    19,811.39x = 27,293.76 × 13,833.59
  4. Step 4: Simplify right side
    19,811.39x = 377,570,548.93
  5. Step 5: Solve for x
    x = 377,570,548.93/19,811.39
  6. Step 6: Final answer
    x = 19,058.26

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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.