Home / 33,189.72-45,805.14-19,047

Finding the Fourth Proportional to 33,189.72, 45,805.14 and 19,047

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Solution

The fourth proportional to 33,189.72, 45,805.14 and 19,047 is: 26,286.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,189.72 : 45,805.14 = 19,047 : x
  2. Step 2: Convert to fraction form
    33,189.72/45,805.14 = 19,047/x
  3. Step 3: Cross multiply
    33,189.72x = 45,805.14 × 19,047
  4. Step 4: Simplify right side
    33,189.72x = 872,450,501.58
  5. Step 5: Solve for x
    x = 872,450,501.58/33,189.72
  6. Step 6: Final answer
    x = 26,286.77

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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.