Home / 18,240.75-25,172.24-9,857.25

Finding the Fourth Proportional to 18,240.75, 25,172.24 and 9,857.25

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Solution

The fourth proportional to 18,240.75, 25,172.24 and 9,857.25 is: 13,603.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.75 : 25,172.24 = 9,857.25 : x
  2. Step 2: Convert to fraction form
    18,240.75/25,172.24 = 9,857.25/x
  3. Step 3: Cross multiply
    18,240.75x = 25,172.24 × 9,857.25
  4. Step 4: Simplify right side
    18,240.75x = 248,129,013.45
  5. Step 5: Solve for x
    x = 248,129,013.45/18,240.75
  6. Step 6: Final answer
    x = 13,603.01

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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.