Home / 13,482.37-20,223.61-4,122.35

Finding the Fourth Proportional to 13,482.37, 20,223.61 and 4,122.35

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Solution

The fourth proportional to 13,482.37, 20,223.61 and 4,122.35 is: 6,183.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482.37 : 20,223.61 = 4,122.35 : x
  2. Step 2: Convert to fraction form
    13,482.37/20,223.61 = 4,122.35/x
  3. Step 3: Cross multiply
    13,482.37x = 20,223.61 × 4,122.35
  4. Step 4: Simplify right side
    13,482.37x = 83,368,798.68
  5. Step 5: Solve for x
    x = 83,368,798.68/13,482.37
  6. Step 6: Final answer
    x = 6,183.54

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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.