Home / 16,118.91-24,155.67-12,817.35

Finding the Fourth Proportional to 16,118.91, 24,155.67 and 12,817.35

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Solution

The fourth proportional to 16,118.91, 24,155.67 and 12,817.35 is: 19,207.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,118.91 : 24,155.67 = 12,817.35 : x
  2. Step 2: Convert to fraction form
    16,118.91/24,155.67 = 12,817.35/x
  3. Step 3: Cross multiply
    16,118.91x = 24,155.67 × 12,817.35
  4. Step 4: Simplify right side
    16,118.91x = 309,611,676.87
  5. Step 5: Solve for x
    x = 309,611,676.87/16,118.91
  6. Step 6: Final answer
    x = 19,207.98

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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.