Home / 16,581.70-24,811.80-12,207.70

Finding the Fourth Proportional to 16,581.70, 24,811.80 and 12,207.70

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Solution

The fourth proportional to 16,581.70, 24,811.80 and 12,207.70 is: 18,266.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,581.70 : 24,811.80 = 12,207.70 : x
  2. Step 2: Convert to fraction form
    16,581.70/24,811.80 = 12,207.70/x
  3. Step 3: Cross multiply
    16,581.70x = 24,811.80 × 12,207.70
  4. Step 4: Simplify right side
    16,581.70x = 302,895,010.86
  5. Step 5: Solve for x
    x = 302,895,010.86/16,581.70
  6. Step 6: Final answer
    x = 18,266.82

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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.