Home / 19,903.37-29,789.42-11,005.01

Finding the Fourth Proportional to 19,903.37, 29,789.42 and 11,005.01

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Solution

The fourth proportional to 19,903.37, 29,789.42 and 11,005.01 is: 16,471.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,903.37 : 29,789.42 = 11,005.01 : x
  2. Step 2: Convert to fraction form
    19,903.37/29,789.42 = 11,005.01/x
  3. Step 3: Cross multiply
    19,903.37x = 29,789.42 × 11,005.01
  4. Step 4: Simplify right side
    19,903.37x = 327,832,661.02
  5. Step 5: Solve for x
    x = 327,832,661.02/19,903.37
  6. Step 6: Final answer
    x = 16,471.22

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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.