Home / 20,133.06-27,785.01-11,638.02

Finding the Fourth Proportional to 20,133.06, 27,785.01 and 11,638.02

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Solution

The fourth proportional to 20,133.06, 27,785.01 and 11,638.02 is: 16,061.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,133.06 : 27,785.01 = 11,638.02 : x
  2. Step 2: Convert to fraction form
    20,133.06/27,785.01 = 11,638.02/x
  3. Step 3: Cross multiply
    20,133.06x = 27,785.01 × 11,638.02
  4. Step 4: Simplify right side
    20,133.06x = 323,362,502.08
  5. Step 5: Solve for x
    x = 323,362,502.08/20,133.06
  6. Step 6: Final answer
    x = 16,061.27

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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.