Home / 19,843.61-27,383.37-11,345.28

Finding the Fourth Proportional to 19,843.61, 27,383.37 and 11,345.28

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Solution

The fourth proportional to 19,843.61, 27,383.37 and 11,345.28 is: 15,656.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,843.61 : 27,383.37 = 11,345.28 : x
  2. Step 2: Convert to fraction form
    19,843.61/27,383.37 = 11,345.28/x
  3. Step 3: Cross multiply
    19,843.61x = 27,383.37 × 11,345.28
  4. Step 4: Simplify right side
    19,843.61x = 310,671,999.99
  5. Step 5: Solve for x
    x = 310,671,999.99/19,843.61
  6. Step 6: Final answer
    x = 15,656.03

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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.