Home / 14,037.60-21,027.15-6,647.97

Finding the Fourth Proportional to 14,037.60, 21,027.15 and 6,647.97

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Solution

The fourth proportional to 14,037.60, 21,027.15 and 6,647.97 is: 9,958.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,037.60 : 21,027.15 = 6,647.97 : x
  2. Step 2: Convert to fraction form
    14,037.60/21,027.15 = 6,647.97/x
  3. Step 3: Cross multiply
    14,037.60x = 21,027.15 × 6,647.97
  4. Step 4: Simplify right side
    14,037.60x = 139,787,862.39
  5. Step 5: Solve for x
    x = 139,787,862.39/14,037.60
  6. Step 6: Final answer
    x = 9,958.10

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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.