Home / 33,127.81-45,706.06-18,786.51

Finding the Fourth Proportional to 33,127.81, 45,706.06 and 18,786.51

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Solution

The fourth proportional to 33,127.81, 45,706.06 and 18,786.51 is: 25,919.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,127.81 : 45,706.06 = 18,786.51 : x
  2. Step 2: Convert to fraction form
    33,127.81/45,706.06 = 18,786.51/x
  3. Step 3: Cross multiply
    33,127.81x = 45,706.06 × 18,786.51
  4. Step 4: Simplify right side
    33,127.81x = 858,657,376.03
  5. Step 5: Solve for x
    x = 858,657,376.03/33,127.81
  6. Step 6: Final answer
    x = 25,919.54

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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.