Home / 14,090.94-21,136.44-4,230.18

Finding the Fourth Proportional to 14,090.94, 21,136.44 and 4,230.18

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Solution

The fourth proportional to 14,090.94, 21,136.44 and 4,230.18 is: 6,345.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.94 : 21,136.44 = 4,230.18 : x
  2. Step 2: Convert to fraction form
    14,090.94/21,136.44 = 4,230.18/x
  3. Step 3: Cross multiply
    14,090.94x = 21,136.44 × 4,230.18
  4. Step 4: Simplify right side
    14,090.94x = 89,410,945.76
  5. Step 5: Solve for x
    x = 89,410,945.76/14,090.94
  6. Step 6: Final answer
    x = 6,345.28

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Double scale
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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.