Home / 25,396.08-35,013.46-19,418.28

Finding the Fourth Proportional to 25,396.08, 35,013.46 and 19,418.28

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Solution

The fourth proportional to 25,396.08, 35,013.46 and 19,418.28 is: 26,771.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,396.08 : 35,013.46 = 19,418.28 : x
  2. Step 2: Convert to fraction form
    25,396.08/35,013.46 = 19,418.28/x
  3. Step 3: Cross multiply
    25,396.08x = 35,013.46 × 19,418.28
  4. Step 4: Simplify right side
    25,396.08x = 679,901,170.05
  5. Step 5: Solve for x
    x = 679,901,170.05/25,396.08
  6. Step 6: Final answer
    x = 26,771.89

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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.