Home / 14,105.68-21,142.48-10,962.32

Finding the Fourth Proportional to 14,105.68, 21,142.48 and 10,962.32

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Solution

The fourth proportional to 14,105.68, 21,142.48 and 10,962.32 is: 16,431.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105.68 : 21,142.48 = 10,962.32 : x
  2. Step 2: Convert to fraction form
    14,105.68/21,142.48 = 10,962.32/x
  3. Step 3: Cross multiply
    14,105.68x = 21,142.48 × 10,962.32
  4. Step 4: Simplify right side
    14,105.68x = 231,770,631.35
  5. Step 5: Solve for x
    x = 231,770,631.35/14,105.68
  6. Step 6: Final answer
    x = 16,431.01

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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.