Home / 20,388.14-30,582.26-5,597.26

Finding the Fourth Proportional to 20,388.14, 30,582.26 and 5,597.26

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Solution

The fourth proportional to 20,388.14, 30,582.26 and 5,597.26 is: 8,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,388.14 : 30,582.26 = 5,597.26 : x
  2. Step 2: Convert to fraction form
    20,388.14/30,582.26 = 5,597.26/x
  3. Step 3: Cross multiply
    20,388.14x = 30,582.26 × 5,597.26
  4. Step 4: Simplify right side
    20,388.14x = 171,176,860.61
  5. Step 5: Solve for x
    x = 171,176,860.61/20,388.14
  6. Step 6: Final answer
    x = 8,395.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.