Home / 19,967.84-27,555.61-11,015.36

Finding the Fourth Proportional to 19,967.84, 27,555.61 and 11,015.36

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Solution

The fourth proportional to 19,967.84, 27,555.61 and 11,015.36 is: 15,201.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,967.84 : 27,555.61 = 11,015.36 : x
  2. Step 2: Convert to fraction form
    19,967.84/27,555.61 = 11,015.36/x
  3. Step 3: Cross multiply
    19,967.84x = 27,555.61 × 11,015.36
  4. Step 4: Simplify right side
    19,967.84x = 303,534,771.31
  5. Step 5: Solve for x
    x = 303,534,771.31/19,967.84
  6. Step 6: Final answer
    x = 15,201.19

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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.