Home / 14,131.35-21,168.27-11,342.93

Finding the Fourth Proportional to 14,131.35, 21,168.27 and 11,342.93

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Solution

The fourth proportional to 14,131.35, 21,168.27 and 11,342.93 is: 16,991.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,131.35 : 21,168.27 = 11,342.93 : x
  2. Step 2: Convert to fraction form
    14,131.35/21,168.27 = 11,342.93/x
  3. Step 3: Cross multiply
    14,131.35x = 21,168.27 × 11,342.93
  4. Step 4: Simplify right side
    14,131.35x = 240,110,098.99
  5. Step 5: Solve for x
    x = 240,110,098.99/14,131.35
  6. Step 6: Final answer
    x = 16,991.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.