Home / 14,235.75-19,579.73-12,464.28

Finding the Fourth Proportional to 14,235.75, 19,579.73 and 12,464.28

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Solution

The fourth proportional to 14,235.75, 19,579.73 and 12,464.28 is: 17,143.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235.75 : 19,579.73 = 12,464.28 : x
  2. Step 2: Convert to fraction form
    14,235.75/19,579.73 = 12,464.28/x
  3. Step 3: Cross multiply
    14,235.75x = 19,579.73 × 12,464.28
  4. Step 4: Simplify right side
    14,235.75x = 244,047,174.72
  5. Step 5: Solve for x
    x = 244,047,174.72/14,235.75
  6. Step 6: Final answer
    x = 17,143.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.