Home / 19,592.94-27,021.60-13,218.51

Finding the Fourth Proportional to 19,592.94, 27,021.60 and 13,218.51

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Solution

The fourth proportional to 19,592.94, 27,021.60 and 13,218.51 is: 18,230.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,592.94 : 27,021.60 = 13,218.51 : x
  2. Step 2: Convert to fraction form
    19,592.94/27,021.60 = 13,218.51/x
  3. Step 3: Cross multiply
    19,592.94x = 27,021.60 × 13,218.51
  4. Step 4: Simplify right side
    19,592.94x = 357,185,239.15
  5. Step 5: Solve for x
    x = 357,185,239.15/19,592.94
  6. Step 6: Final answer
    x = 18,230.31

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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.