Home / 20,699.26-31,050.07-5,907.04

Finding the Fourth Proportional to 20,699.26, 31,050.07 and 5,907.04

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Solution

The fourth proportional to 20,699.26, 31,050.07 and 5,907.04 is: 8,860.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,699.26 : 31,050.07 = 5,907.04 : x
  2. Step 2: Convert to fraction form
    20,699.26/31,050.07 = 5,907.04/x
  3. Step 3: Cross multiply
    20,699.26x = 31,050.07 × 5,907.04
  4. Step 4: Simplify right side
    20,699.26x = 183,413,913.10
  5. Step 5: Solve for x
    x = 183,413,913.10/20,699.26
  6. Step 6: Final answer
    x = 8,860.89

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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.