Home / 19,356.77-29,039.28-6,218.37

Finding the Fourth Proportional to 19,356.77, 29,039.28 and 6,218.37

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Solution

The fourth proportional to 19,356.77, 29,039.28 and 6,218.37 is: 9,328.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,356.77 : 29,039.28 = 6,218.37 : x
  2. Step 2: Convert to fraction form
    19,356.77/29,039.28 = 6,218.37/x
  3. Step 3: Cross multiply
    19,356.77x = 29,039.28 × 6,218.37
  4. Step 4: Simplify right side
    19,356.77x = 180,576,964.25
  5. Step 5: Solve for x
    x = 180,576,964.25/19,356.77
  6. Step 6: Final answer
    x = 9,328.88

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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.