Home / 18,174.36-25,075.86-10,616.28

Finding the Fourth Proportional to 18,174.36, 25,075.86 and 10,616.28

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Solution

The fourth proportional to 18,174.36, 25,075.86 and 10,616.28 is: 14,647.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,174.36 : 25,075.86 = 10,616.28 : x
  2. Step 2: Convert to fraction form
    18,174.36/25,075.86 = 10,616.28/x
  3. Step 3: Cross multiply
    18,174.36x = 25,075.86 × 10,616.28
  4. Step 4: Simplify right side
    18,174.36x = 266,212,351.00
  5. Step 5: Solve for x
    x = 266,212,351.00/18,174.36
  6. Step 6: Final answer
    x = 14,647.69

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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.