Home / 18,118.14-25,003.67-10,563.20

Finding the Fourth Proportional to 18,118.14, 25,003.67 and 10,563.20

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Solution

The fourth proportional to 18,118.14, 25,003.67 and 10,563.20 is: 14,577.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118.14 : 25,003.67 = 10,563.20 : x
  2. Step 2: Convert to fraction form
    18,118.14/25,003.67 = 10,563.20/x
  3. Step 3: Cross multiply
    18,118.14x = 25,003.67 × 10,563.20
  4. Step 4: Simplify right side
    18,118.14x = 264,118,668.33
  5. Step 5: Solve for x
    x = 264,118,668.33/18,118.14
  6. Step 6: Final answer
    x = 14,577.58

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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.