Home / 14,291.70-19,723.26-8,626.37

Finding the Fourth Proportional to 14,291.70, 19,723.26 and 8,626.37

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Solution

The fourth proportional to 14,291.70, 19,723.26 and 8,626.37 is: 11,904.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,291.70 : 19,723.26 = 8,626.37 : x
  2. Step 2: Convert to fraction form
    14,291.70/19,723.26 = 8,626.37/x
  3. Step 3: Cross multiply
    14,291.70x = 19,723.26 × 8,626.37
  4. Step 4: Simplify right side
    14,291.70x = 170,140,039.75
  5. Step 5: Solve for x
    x = 170,140,039.75/14,291.70
  6. Step 6: Final answer
    x = 11,904.81

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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.