Home / 14,174.31-19,558.47-8,507.86

Finding the Fourth Proportional to 14,174.31, 19,558.47 and 8,507.86

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Solution

The fourth proportional to 14,174.31, 19,558.47 and 8,507.86 is: 11,739.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,174.31 : 19,558.47 = 8,507.86 : x
  2. Step 2: Convert to fraction form
    14,174.31/19,558.47 = 8,507.86/x
  3. Step 3: Cross multiply
    14,174.31x = 19,558.47 × 8,507.86
  4. Step 4: Simplify right side
    14,174.31x = 166,400,675.68
  5. Step 5: Solve for x
    x = 166,400,675.68/14,174.31
  6. Step 6: Final answer
    x = 11,739.60

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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.