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Finding the Fourth Proportional to 25,369.41, 35,011.54 and 14,039.38

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Solution

The fourth proportional to 25,369.41, 35,011.54 and 14,039.38 is: 19,375.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,369.41 : 35,011.54 = 14,039.38 : x
  2. Step 2: Convert to fraction form
    25,369.41/35,011.54 = 14,039.38/x
  3. Step 3: Cross multiply
    25,369.41x = 35,011.54 × 14,039.38
  4. Step 4: Simplify right side
    25,369.41x = 491,540,375.76
  5. Step 5: Solve for x
    x = 491,540,375.76/25,369.41
  6. Step 6: Final answer
    x = 19,375.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.