Home / 14,321.70-21,482.91-5,558.58

Finding the Fourth Proportional to 14,321.70, 21,482.91 and 5,558.58

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Solution

The fourth proportional to 14,321.70, 21,482.91 and 5,558.58 is: 8,338.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,321.70 : 21,482.91 = 5,558.58 : x
  2. Step 2: Convert to fraction form
    14,321.70/21,482.91 = 5,558.58/x
  3. Step 3: Cross multiply
    14,321.70x = 21,482.91 × 5,558.58
  4. Step 4: Simplify right side
    14,321.70x = 119,414,473.87
  5. Step 5: Solve for x
    x = 119,414,473.87/14,321.70
  6. Step 6: Final answer
    x = 8,338.01

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1.5x scale

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.