Home / 14,660.24-21,981.06-8,090.98

Finding the Fourth Proportional to 14,660.24, 21,981.06 and 8,090.98

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Solution

The fourth proportional to 14,660.24, 21,981.06 and 8,090.98 is: 12,131.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,660.24 : 21,981.06 = 8,090.98 : x
  2. Step 2: Convert to fraction form
    14,660.24/21,981.06 = 8,090.98/x
  3. Step 3: Cross multiply
    14,660.24x = 21,981.06 × 8,090.98
  4. Step 4: Simplify right side
    14,660.24x = 177,848,316.84
  5. Step 5: Solve for x
    x = 177,848,316.84/14,660.24
  6. Step 6: Final answer
    x = 12,131.34

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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.