Home / 14,390.74-21,579.94-5,027.95

Finding the Fourth Proportional to 14,390.74, 21,579.94 and 5,027.95

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Solution

The fourth proportional to 14,390.74, 21,579.94 and 5,027.95 is: 7,539.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390.74 : 21,579.94 = 5,027.95 : x
  2. Step 2: Convert to fraction form
    14,390.74/21,579.94 = 5,027.95/x
  3. Step 3: Cross multiply
    14,390.74x = 21,579.94 × 5,027.95
  4. Step 4: Simplify right side
    14,390.74x = 108,502,859.32
  5. Step 5: Solve for x
    x = 108,502,859.32/14,390.74
  6. Step 6: Final answer
    x = 7,539.77

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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.