Home / 14,375.48-21,566.79-11,425.05

Finding the Fourth Proportional to 14,375.48, 21,566.79 and 11,425.05

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Solution

The fourth proportional to 14,375.48, 21,566.79 and 11,425.05 is: 17,140.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,375.48 : 21,566.79 = 11,425.05 : x
  2. Step 2: Convert to fraction form
    14,375.48/21,566.79 = 11,425.05/x
  3. Step 3: Cross multiply
    14,375.48x = 21,566.79 × 11,425.05
  4. Step 4: Simplify right side
    14,375.48x = 246,401,654.09
  5. Step 5: Solve for x
    x = 246,401,654.09/14,375.48
  6. Step 6: Final answer
    x = 17,140.42

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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.