Home / 14,152.10-21,231.70-5,382.22

Finding the Fourth Proportional to 14,152.10, 21,231.70 and 5,382.22

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Solution

The fourth proportional to 14,152.10, 21,231.70 and 5,382.22 is: 8,074.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,152.10 : 21,231.70 = 5,382.22 : x
  2. Step 2: Convert to fraction form
    14,152.10/21,231.70 = 5,382.22/x
  3. Step 3: Cross multiply
    14,152.10x = 21,231.70 × 5,382.22
  4. Step 4: Simplify right side
    14,152.10x = 114,273,680.37
  5. Step 5: Solve for x
    x = 114,273,680.37/14,152.10
  6. Step 6: Final answer
    x = 8,074.68

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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.