Home / 19,843.07-27,384.66-13,117.03

Finding the Fourth Proportional to 19,843.07, 27,384.66 and 13,117.03

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Solution

The fourth proportional to 19,843.07, 27,384.66 and 13,117.03 is: 18,102.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,843.07 : 27,384.66 = 13,117.03 : x
  2. Step 2: Convert to fraction form
    19,843.07/27,384.66 = 13,117.03/x
  3. Step 3: Cross multiply
    19,843.07x = 27,384.66 × 13,117.03
  4. Step 4: Simplify right side
    19,843.07x = 359,205,338.30
  5. Step 5: Solve for x
    x = 359,205,338.30/19,843.07
  6. Step 6: Final answer
    x = 18,102.31

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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.