Home / 12,051.72-18,090.36-10,674

Finding the Fourth Proportional to 12,051.72, 18,090.36 and 10,674

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Solution

The fourth proportional to 12,051.72, 18,090.36 and 10,674 is: 16,022.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051.72 : 18,090.36 = 10,674 : x
  2. Step 2: Convert to fraction form
    12,051.72/18,090.36 = 10,674/x
  3. Step 3: Cross multiply
    12,051.72x = 18,090.36 × 10,674
  4. Step 4: Simplify right side
    12,051.72x = 193,096,502.64
  5. Step 5: Solve for x
    x = 193,096,502.64/12,051.72
  6. Step 6: Final answer
    x = 16,022.32

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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.