Home / 19,812.01-27,343.37-12,260.77

Finding the Fourth Proportional to 19,812.01, 27,343.37 and 12,260.77

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Solution

The fourth proportional to 19,812.01, 27,343.37 and 12,260.77 is: 16,921.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,812.01 : 27,343.37 = 12,260.77 : x
  2. Step 2: Convert to fraction form
    19,812.01/27,343.37 = 12,260.77/x
  3. Step 3: Cross multiply
    19,812.01x = 27,343.37 × 12,260.77
  4. Step 4: Simplify right side
    19,812.01x = 335,250,732.89
  5. Step 5: Solve for x
    x = 335,250,732.89/19,812.01
  6. Step 6: Final answer
    x = 16,921.59

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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.