Home / 20,844.53-31,267.10-6,804.50

Finding the Fourth Proportional to 20,844.53, 31,267.10 and 6,804.50

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Solution

The fourth proportional to 20,844.53, 31,267.10 and 6,804.50 is: 10,206.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,844.53 : 31,267.10 = 6,804.50 : x
  2. Step 2: Convert to fraction form
    20,844.53/31,267.10 = 6,804.50/x
  3. Step 3: Cross multiply
    20,844.53x = 31,267.10 × 6,804.50
  4. Step 4: Simplify right side
    20,844.53x = 212,756,981.95
  5. Step 5: Solve for x
    x = 212,756,981.95/20,844.53
  6. Step 6: Final answer
    x = 10,206.85

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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.