Home / 18,032.20-27,048.30-7,502.02

Finding the Fourth Proportional to 18,032.20, 27,048.30 and 7,502.02

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Solution

The fourth proportional to 18,032.20, 27,048.30 and 7,502.02 is: 11,253.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,032.20 : 27,048.30 = 7,502.02 : x
  2. Step 2: Convert to fraction form
    18,032.20/27,048.30 = 7,502.02/x
  3. Step 3: Cross multiply
    18,032.20x = 27,048.30 × 7,502.02
  4. Step 4: Simplify right side
    18,032.20x = 202,916,887.57
  5. Step 5: Solve for x
    x = 202,916,887.57/18,032.20
  6. Step 6: Final answer
    x = 11,253.03

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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.