Home / 14,038.36-21,064.92-5,724.52

Finding the Fourth Proportional to 14,038.36, 21,064.92 and 5,724.52

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Solution

The fourth proportional to 14,038.36, 21,064.92 and 5,724.52 is: 8,589.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,038.36 : 21,064.92 = 5,724.52 : x
  2. Step 2: Convert to fraction form
    14,038.36/21,064.92 = 5,724.52/x
  3. Step 3: Cross multiply
    14,038.36x = 21,064.92 × 5,724.52
  4. Step 4: Simplify right side
    14,038.36x = 120,586,555.84
  5. Step 5: Solve for x
    x = 120,586,555.84/14,038.36
  6. Step 6: Final answer
    x = 8,589.79

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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.