Home / 22,329.76-33,628.36-20,336.86

Finding the Fourth Proportional to 22,329.76, 33,628.36 and 20,336.86

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Solution

The fourth proportional to 22,329.76, 33,628.36 and 20,336.86 is: 30,627.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,329.76 : 33,628.36 = 20,336.86 : x
  2. Step 2: Convert to fraction form
    22,329.76/33,628.36 = 20,336.86/x
  3. Step 3: Cross multiply
    22,329.76x = 33,628.36 × 20,336.86
  4. Step 4: Simplify right side
    22,329.76x = 683,895,249.35
  5. Step 5: Solve for x
    x = 683,895,249.35/22,329.76
  6. Step 6: Final answer
    x = 30,627.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.