Home / 18,480.99-25,515.06-12,026.77

Finding the Fourth Proportional to 18,480.99, 25,515.06 and 12,026.77

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Solution

The fourth proportional to 18,480.99, 25,515.06 and 12,026.77 is: 16,604.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,480.99 : 25,515.06 = 12,026.77 : x
  2. Step 2: Convert to fraction form
    18,480.99/25,515.06 = 12,026.77/x
  3. Step 3: Cross multiply
    18,480.99x = 25,515.06 × 12,026.77
  4. Step 4: Simplify right side
    18,480.99x = 306,863,913.23
  5. Step 5: Solve for x
    x = 306,863,913.23/18,480.99
  6. Step 6: Final answer
    x = 16,604.30

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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.