Home / 18,133.29-25,017.53-11,849.31

Finding the Fourth Proportional to 18,133.29, 25,017.53 and 11,849.31

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Solution

The fourth proportional to 18,133.29, 25,017.53 and 11,849.31 is: 16,347.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133.29 : 25,017.53 = 11,849.31 : x
  2. Step 2: Convert to fraction form
    18,133.29/25,017.53 = 11,849.31/x
  3. Step 3: Cross multiply
    18,133.29x = 25,017.53 × 11,849.31
  4. Step 4: Simplify right side
    18,133.29x = 296,440,409.16
  5. Step 5: Solve for x
    x = 296,440,409.16/18,133.29
  6. Step 6: Final answer
    x = 16,347.86

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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.