Home / 18,501.75-25,532.82-10,118.25

Finding the Fourth Proportional to 18,501.75, 25,532.82 and 10,118.25

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Solution

The fourth proportional to 18,501.75, 25,532.82 and 10,118.25 is: 13,963.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501.75 : 25,532.82 = 10,118.25 : x
  2. Step 2: Convert to fraction form
    18,501.75/25,532.82 = 10,118.25/x
  3. Step 3: Cross multiply
    18,501.75x = 25,532.82 × 10,118.25
  4. Step 4: Simplify right side
    18,501.75x = 258,347,455.97
  5. Step 5: Solve for x
    x = 258,347,455.97/18,501.75
  6. Step 6: Final answer
    x = 13,963.41

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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.