Home / 27,519.50-37,977-18,104.96

Finding the Fourth Proportional to 27,519.50, 37,977 and 18,104.96

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Solution

The fourth proportional to 27,519.50, 37,977 and 18,104.96 is: 24,984.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,519.50 : 37,977 = 18,104.96 : x
  2. Step 2: Convert to fraction form
    27,519.50/37,977 = 18,104.96/x
  3. Step 3: Cross multiply
    27,519.50x = 37,977 × 18,104.96
  4. Step 4: Simplify right side
    27,519.50x = 687,572,065.92
  5. Step 5: Solve for x
    x = 687,572,065.92/27,519.50
  6. Step 6: Final answer
    x = 24,984.90

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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.