Home / 20,069.58-27,706.44-18,744.42

Finding the Fourth Proportional to 20,069.58, 27,706.44 and 18,744.42

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Solution

The fourth proportional to 20,069.58, 27,706.44 and 18,744.42 is: 25,877.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,069.58 : 27,706.44 = 18,744.42 : x
  2. Step 2: Convert to fraction form
    20,069.58/27,706.44 = 18,744.42/x
  3. Step 3: Cross multiply
    20,069.58x = 27,706.44 × 18,744.42
  4. Step 4: Simplify right side
    20,069.58x = 519,341,148.06
  5. Step 5: Solve for x
    x = 519,341,148.06/20,069.58
  6. Step 6: Final answer
    x = 25,877.03

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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.