Home / 22,357.88-33,550.14-8,315.60

Finding the Fourth Proportional to 22,357.88, 33,550.14 and 8,315.60

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Solution

The fourth proportional to 22,357.88, 33,550.14 and 8,315.60 is: 12,478.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,357.88 : 33,550.14 = 8,315.60 : x
  2. Step 2: Convert to fraction form
    22,357.88/33,550.14 = 8,315.60/x
  3. Step 3: Cross multiply
    22,357.88x = 33,550.14 × 8,315.60
  4. Step 4: Simplify right side
    22,357.88x = 278,989,544.18
  5. Step 5: Solve for x
    x = 278,989,544.18/22,357.88
  6. Step 6: Final answer
    x = 12,478.35

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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.