Home / 18,301.73-25,256.52-9,918.23

Finding the Fourth Proportional to 18,301.73, 25,256.52 and 9,918.23

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Solution

The fourth proportional to 18,301.73, 25,256.52 and 9,918.23 is: 13,687.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.73 : 25,256.52 = 9,918.23 : x
  2. Step 2: Convert to fraction form
    18,301.73/25,256.52 = 9,918.23/x
  3. Step 3: Cross multiply
    18,301.73x = 25,256.52 × 9,918.23
  4. Step 4: Simplify right side
    18,301.73x = 250,499,974.36
  5. Step 5: Solve for x
    x = 250,499,974.36/18,301.73
  6. Step 6: Final answer
    x = 13,687.23

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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.