Home / 14,155.24-21,226.36-7,825.92

Finding the Fourth Proportional to 14,155.24, 21,226.36 and 7,825.92

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Solution

The fourth proportional to 14,155.24, 21,226.36 and 7,825.92 is: 11,735.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,155.24 : 21,226.36 = 7,825.92 : x
  2. Step 2: Convert to fraction form
    14,155.24/21,226.36 = 7,825.92/x
  3. Step 3: Cross multiply
    14,155.24x = 21,226.36 × 7,825.92
  4. Step 4: Simplify right side
    14,155.24x = 166,115,795.25
  5. Step 5: Solve for x
    x = 166,115,795.25/14,155.24
  6. Step 6: Final answer
    x = 11,735.29

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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.