Home / 16,515.50-24,775.83-5,419.67

Finding the Fourth Proportional to 16,515.50, 24,775.83 and 5,419.67

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Solution

The fourth proportional to 16,515.50, 24,775.83 and 5,419.67 is: 8,130.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,515.50 : 24,775.83 = 5,419.67 : x
  2. Step 2: Convert to fraction form
    16,515.50/24,775.83 = 5,419.67/x
  3. Step 3: Cross multiply
    16,515.50x = 24,775.83 × 5,419.67
  4. Step 4: Simplify right side
    16,515.50x = 134,276,698.70
  5. Step 5: Solve for x
    x = 134,276,698.70/16,515.50
  6. Step 6: Final answer
    x = 8,130.34

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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.