Home / 19,935-27,513.54-11,556.36

Finding the Fourth Proportional to 19,935, 27,513.54 and 11,556.36

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Solution

The fourth proportional to 19,935, 27,513.54 and 11,556.36 is: 15,949.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,935 : 27,513.54 = 11,556.36 : x
  2. Step 2: Convert to fraction form
    19,935/27,513.54 = 11,556.36/x
  3. Step 3: Cross multiply
    19,935x = 27,513.54 × 11,556.36
  4. Step 4: Simplify right side
    19,935x = 317,956,373.11
  5. Step 5: Solve for x
    x = 317,956,373.11/19,935
  6. Step 6: Final answer
    x = 15,949.66

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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.