Home / 18,583.88-25,645.58-10,200.20

Finding the Fourth Proportional to 18,583.88, 25,645.58 and 10,200.20

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Solution

The fourth proportional to 18,583.88, 25,645.58 and 10,200.20 is: 14,076.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.88 : 25,645.58 = 10,200.20 : x
  2. Step 2: Convert to fraction form
    18,583.88/25,645.58 = 10,200.20/x
  3. Step 3: Cross multiply
    18,583.88x = 25,645.58 × 10,200.20
  4. Step 4: Simplify right side
    18,583.88x = 261,590,045.12
  5. Step 5: Solve for x
    x = 261,590,045.12/18,583.88
  6. Step 6: Final answer
    x = 14,076.18

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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.