Home / 42,795.64-64,198.94-13,216.48

Finding the Fourth Proportional to 42,795.64, 64,198.94 and 13,216.48

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Solution

The fourth proportional to 42,795.64, 64,198.94 and 13,216.48 is: 19,826.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,795.64 : 64,198.94 = 13,216.48 : x
  2. Step 2: Convert to fraction form
    42,795.64/64,198.94 = 13,216.48/x
  3. Step 3: Cross multiply
    42,795.64x = 64,198.94 × 13,216.48
  4. Step 4: Simplify right side
    42,795.64x = 848,484,006.53
  5. Step 5: Solve for x
    x = 848,484,006.53/42,795.64
  6. Step 6: Final answer
    x = 19,826.41

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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.