Home / 18,563.41-27,829.47-12,623.66

Finding the Fourth Proportional to 18,563.41, 27,829.47 and 12,623.66

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Solution

The fourth proportional to 18,563.41, 27,829.47 and 12,623.66 is: 18,924.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,563.41 : 27,829.47 = 12,623.66 : x
  2. Step 2: Convert to fraction form
    18,563.41/27,829.47 = 12,623.66/x
  3. Step 3: Cross multiply
    18,563.41x = 27,829.47 × 12,623.66
  4. Step 4: Simplify right side
    18,563.41x = 351,309,628.11
  5. Step 5: Solve for x
    x = 351,309,628.11/18,563.41
  6. Step 6: Final answer
    x = 18,924.85

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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.