Home / 19,202.51-28,816.82-11,784.32

Finding the Fourth Proportional to 19,202.51, 28,816.82 and 11,784.32

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Solution

The fourth proportional to 19,202.51, 28,816.82 and 11,784.32 is: 17,684.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,202.51 : 28,816.82 = 11,784.32 : x
  2. Step 2: Convert to fraction form
    19,202.51/28,816.82 = 11,784.32/x
  3. Step 3: Cross multiply
    19,202.51x = 28,816.82 × 11,784.32
  4. Step 4: Simplify right side
    19,202.51x = 339,586,628.26
  5. Step 5: Solve for x
    x = 339,586,628.26/19,202.51
  6. Step 6: Final answer
    x = 17,684.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.