Home / 14,507.72-19,999.24-11,317.43

Finding the Fourth Proportional to 14,507.72, 19,999.24 and 11,317.43

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Solution

The fourth proportional to 14,507.72, 19,999.24 and 11,317.43 is: 15,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,507.72 : 19,999.24 = 11,317.43 : x
  2. Step 2: Convert to fraction form
    14,507.72/19,999.24 = 11,317.43/x
  3. Step 3: Cross multiply
    14,507.72x = 19,999.24 × 11,317.43
  4. Step 4: Simplify right side
    14,507.72x = 226,339,998.75
  5. Step 5: Solve for x
    x = 226,339,998.75/14,507.72
  6. Step 6: Final answer
    x = 15,601.35

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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.