Home / 19,829.25-27,365.45-11,448.45

Finding the Fourth Proportional to 19,829.25, 27,365.45 and 11,448.45

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Solution

The fourth proportional to 19,829.25, 27,365.45 and 11,448.45 is: 15,799.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,829.25 : 27,365.45 = 11,448.45 : x
  2. Step 2: Convert to fraction form
    19,829.25/27,365.45 = 11,448.45/x
  3. Step 3: Cross multiply
    19,829.25x = 27,365.45 × 11,448.45
  4. Step 4: Simplify right side
    19,829.25x = 313,291,928.81
  5. Step 5: Solve for x
    x = 313,291,928.81/19,829.25
  6. Step 6: Final answer
    x = 15,799.48

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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.