Home / 20,841.53-31,265.56-6,798.31

Finding the Fourth Proportional to 20,841.53, 31,265.56 and 6,798.31

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Solution

The fourth proportional to 20,841.53, 31,265.56 and 6,798.31 is: 10,198.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,841.53 : 31,265.56 = 6,798.31 : x
  2. Step 2: Convert to fraction form
    20,841.53/31,265.56 = 6,798.31/x
  3. Step 3: Cross multiply
    20,841.53x = 31,265.56 × 6,798.31
  4. Step 4: Simplify right side
    20,841.53x = 212,553,075.41
  5. Step 5: Solve for x
    x = 212,553,075.41/20,841.53
  6. Step 6: Final answer
    x = 10,198.53

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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.