Home / 19,910.00-27,476.06-11,412.51

Finding the Fourth Proportional to 19,910.00, 27,476.06 and 11,412.51

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Solution

The fourth proportional to 19,910.00, 27,476.06 and 11,412.51 is: 15,749.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,910.00 : 27,476.06 = 11,412.51 : x
  2. Step 2: Convert to fraction form
    19,910.00/27,476.06 = 11,412.51/x
  3. Step 3: Cross multiply
    19,910.00x = 27,476.06 × 11,412.51
  4. Step 4: Simplify right side
    19,910.00x = 313,570,752.45
  5. Step 5: Solve for x
    x = 313,570,752.45/19,910.00
  6. Step 6: Final answer
    x = 15,749.41

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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.