Home / 18,765.63-25,884.36-12,040.61

Finding the Fourth Proportional to 18,765.63, 25,884.36 and 12,040.61

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Solution

The fourth proportional to 18,765.63, 25,884.36 and 12,040.61 is: 16,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,765.63 : 25,884.36 = 12,040.61 : x
  2. Step 2: Convert to fraction form
    18,765.63/25,884.36 = 12,040.61/x
  3. Step 3: Cross multiply
    18,765.63x = 25,884.36 × 12,040.61
  4. Step 4: Simplify right side
    18,765.63x = 311,663,354.44
  5. Step 5: Solve for x
    x = 311,663,354.44/18,765.63
  6. Step 6: Final answer
    x = 16,608.20

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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.