Home / 16,211.19-24,316.78-12,518.80

Finding the Fourth Proportional to 16,211.19, 24,316.78 and 12,518.80

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Solution

The fourth proportional to 16,211.19, 24,316.78 and 12,518.80 is: 18,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,211.19 : 24,316.78 = 12,518.80 : x
  2. Step 2: Convert to fraction form
    16,211.19/24,316.78 = 12,518.80/x
  3. Step 3: Cross multiply
    16,211.19x = 24,316.78 × 12,518.80
  4. Step 4: Simplify right side
    16,211.19x = 304,416,874.17
  5. Step 5: Solve for x
    x = 304,416,874.17/16,211.19
  6. Step 6: Final answer
    x = 18,778.20

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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.