Home / 33,113.21-45,706.07-18,975.47

Finding the Fourth Proportional to 33,113.21, 45,706.07 and 18,975.47

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Solution

The fourth proportional to 33,113.21, 45,706.07 and 18,975.47 is: 26,191.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,113.21 : 45,706.07 = 18,975.47 : x
  2. Step 2: Convert to fraction form
    33,113.21/45,706.07 = 18,975.47/x
  3. Step 3: Cross multiply
    33,113.21x = 45,706.07 × 18,975.47
  4. Step 4: Simplify right side
    33,113.21x = 867,293,979.01
  5. Step 5: Solve for x
    x = 867,293,979.01/33,113.21
  6. Step 6: Final answer
    x = 26,191.79

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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.