Home / 19,842.99-27,383.73-10,890.48

Finding the Fourth Proportional to 19,842.99, 27,383.73 and 10,890.48

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Solution

The fourth proportional to 19,842.99, 27,383.73 and 10,890.48 is: 15,029.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,842.99 : 27,383.73 = 10,890.48 : x
  2. Step 2: Convert to fraction form
    19,842.99/27,383.73 = 10,890.48/x
  3. Step 3: Cross multiply
    19,842.99x = 27,383.73 × 10,890.48
  4. Step 4: Simplify right side
    19,842.99x = 298,221,963.89
  5. Step 5: Solve for x
    x = 298,221,963.89/19,842.99
  6. Step 6: Final answer
    x = 15,029.08

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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.