Home / 33,069.80-45,636.54-18,923

Finding the Fourth Proportional to 33,069.80, 45,636.54 and 18,923

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Solution

The fourth proportional to 33,069.80, 45,636.54 and 18,923 is: 26,113.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,069.80 : 45,636.54 = 18,923 : x
  2. Step 2: Convert to fraction form
    33,069.80/45,636.54 = 18,923/x
  3. Step 3: Cross multiply
    33,069.80x = 45,636.54 × 18,923
  4. Step 4: Simplify right side
    33,069.80x = 863,580,246.42
  5. Step 5: Solve for x
    x = 863,580,246.42/33,069.80
  6. Step 6: Final answer
    x = 26,113.86

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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.