Home / 14,141.08-21,210.68-5,375.75

Finding the Fourth Proportional to 14,141.08, 21,210.68 and 5,375.75

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Solution

The fourth proportional to 14,141.08, 21,210.68 and 5,375.75 is: 8,063.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,141.08 : 21,210.68 = 5,375.75 : x
  2. Step 2: Convert to fraction form
    14,141.08/21,210.68 = 5,375.75/x
  3. Step 3: Cross multiply
    14,141.08x = 21,210.68 × 5,375.75
  4. Step 4: Simplify right side
    14,141.08x = 114,023,313.01
  5. Step 5: Solve for x
    x = 114,023,313.01/14,141.08
  6. Step 6: Final answer
    x = 8,063.27

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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.