Home / 33,012.68-45,554.64-19,399.28

Finding the Fourth Proportional to 33,012.68, 45,554.64 and 19,399.28

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Solution

The fourth proportional to 33,012.68, 45,554.64 and 19,399.28 is: 26,769.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,012.68 : 45,554.64 = 19,399.28 : x
  2. Step 2: Convert to fraction form
    33,012.68/45,554.64 = 19,399.28/x
  3. Step 3: Cross multiply
    33,012.68x = 45,554.64 × 19,399.28
  4. Step 4: Simplify right side
    33,012.68x = 883,727,216.66
  5. Step 5: Solve for x
    x = 883,727,216.66/33,012.68
  6. Step 6: Final answer
    x = 26,769.33

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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.