Home / 16,520.01-24,783.11-5,429.90

Finding the Fourth Proportional to 16,520.01, 24,783.11 and 5,429.90

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Solution

The fourth proportional to 16,520.01, 24,783.11 and 5,429.90 is: 8,145.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,520.01 : 24,783.11 = 5,429.90 : x
  2. Step 2: Convert to fraction form
    16,520.01/24,783.11 = 5,429.90/x
  3. Step 3: Cross multiply
    16,520.01x = 24,783.11 × 5,429.90
  4. Step 4: Simplify right side
    16,520.01x = 134,569,808.99
  5. Step 5: Solve for x
    x = 134,569,808.99/16,520.01
  6. Step 6: Final answer
    x = 8,145.87

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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.