Home / 38,451.99-57,677.63-12,156.74

Finding the Fourth Proportional to 38,451.99, 57,677.63 and 12,156.74

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Solution

The fourth proportional to 38,451.99, 57,677.63 and 12,156.74 is: 18,234.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,451.99 : 57,677.63 = 12,156.74 : x
  2. Step 2: Convert to fraction form
    38,451.99/57,677.63 = 12,156.74/x
  3. Step 3: Cross multiply
    38,451.99x = 57,677.63 × 12,156.74
  4. Step 4: Simplify right side
    38,451.99x = 701,171,673.72
  5. Step 5: Solve for x
    x = 701,171,673.72/38,451.99
  6. Step 6: Final answer
    x = 18,234.99

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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.