Home / 33,111.65-45,698.21-18,964.49

Finding the Fourth Proportional to 33,111.65, 45,698.21 and 18,964.49

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Solution

The fourth proportional to 33,111.65, 45,698.21 and 18,964.49 is: 26,173.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,111.65 : 45,698.21 = 18,964.49 : x
  2. Step 2: Convert to fraction form
    33,111.65/45,698.21 = 18,964.49/x
  3. Step 3: Cross multiply
    33,111.65x = 45,698.21 × 18,964.49
  4. Step 4: Simplify right side
    33,111.65x = 866,643,246.56
  5. Step 5: Solve for x
    x = 866,643,246.56/33,111.65
  6. Step 6: Final answer
    x = 26,173.36

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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.