Home / 16,417.20-24,628.12-5,321.28

Finding the Fourth Proportional to 16,417.20, 24,628.12 and 5,321.28

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Solution

The fourth proportional to 16,417.20, 24,628.12 and 5,321.28 is: 7,982.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,417.20 : 24,628.12 = 5,321.28 : x
  2. Step 2: Convert to fraction form
    16,417.20/24,628.12 = 5,321.28/x
  3. Step 3: Cross multiply
    16,417.20x = 24,628.12 × 5,321.28
  4. Step 4: Simplify right side
    16,417.20x = 131,053,122.39
  5. Step 5: Solve for x
    x = 131,053,122.39/16,417.20
  6. Step 6: Final answer
    x = 7,982.67

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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.