Home / 16,403.88-24,552.30-12,486.68

Finding the Fourth Proportional to 16,403.88, 24,552.30 and 12,486.68

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Solution

The fourth proportional to 16,403.88, 24,552.30 and 12,486.68 is: 18,689.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,403.88 : 24,552.30 = 12,486.68 : x
  2. Step 2: Convert to fraction form
    16,403.88/24,552.30 = 12,486.68/x
  3. Step 3: Cross multiply
    16,403.88x = 24,552.30 × 12,486.68
  4. Step 4: Simplify right side
    16,403.88x = 306,576,713.36
  5. Step 5: Solve for x
    x = 306,576,713.36/16,403.88
  6. Step 6: Final answer
    x = 18,689.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.