Home / 14,980.87-22,339.13-14,245.09

Finding the Fourth Proportional to 14,980.87, 22,339.13 and 14,245.09

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Solution

The fourth proportional to 14,980.87, 22,339.13 and 14,245.09 is: 21,241.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,980.87 : 22,339.13 = 14,245.09 : x
  2. Step 2: Convert to fraction form
    14,980.87/22,339.13 = 14,245.09/x
  3. Step 3: Cross multiply
    14,980.87x = 22,339.13 × 14,245.09
  4. Step 4: Simplify right side
    14,980.87x = 318,222,917.37
  5. Step 5: Solve for x
    x = 318,222,917.37/14,980.87
  6. Step 6: Final answer
    x = 21,241.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.