Home / 14,074.08-21,114.72-4,213.32

Finding the Fourth Proportional to 14,074.08, 21,114.72 and 4,213.32

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Solution

The fourth proportional to 14,074.08, 21,114.72 and 4,213.32 is: 6,321.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,074.08 : 21,114.72 = 4,213.32 : x
  2. Step 2: Convert to fraction form
    14,074.08/21,114.72 = 4,213.32/x
  3. Step 3: Cross multiply
    14,074.08x = 21,114.72 × 4,213.32
  4. Step 4: Simplify right side
    14,074.08x = 88,963,072.07
  5. Step 5: Solve for x
    x = 88,963,072.07/14,074.08
  6. Step 6: Final answer
    x = 6,321.06

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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.