Home / 14,174.39-19,558.50-8,507.90

Finding the Fourth Proportional to 14,174.39, 19,558.50 and 8,507.90

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Solution

The fourth proportional to 14,174.39, 19,558.50 and 8,507.90 is: 11,739.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,174.39 : 19,558.50 = 8,507.90 : x
  2. Step 2: Convert to fraction form
    14,174.39/19,558.50 = 8,507.90/x
  3. Step 3: Cross multiply
    14,174.39x = 19,558.50 × 8,507.90
  4. Step 4: Simplify right side
    14,174.39x = 166,401,664.36
  5. Step 5: Solve for x
    x = 166,401,664.36/14,174.39
  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.