Home / 20,698.51-31,047.06-5,907.43

Finding the Fourth Proportional to 20,698.51, 31,047.06 and 5,907.43

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Solution

The fourth proportional to 20,698.51, 31,047.06 and 5,907.43 is: 8,860.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,698.51 : 31,047.06 = 5,907.43 : x
  2. Step 2: Convert to fraction form
    20,698.51/31,047.06 = 5,907.43/x
  3. Step 3: Cross multiply
    20,698.51x = 31,047.06 × 5,907.43
  4. Step 4: Simplify right side
    20,698.51x = 183,408,369.70
  5. Step 5: Solve for x
    x = 183,408,369.70/20,698.51
  6. Step 6: Final answer
    x = 8,860.94

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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.