Home / 16,763.20-25,129.92-8,432.32

Finding the Fourth Proportional to 16,763.20, 25,129.92 and 8,432.32

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Solution

The fourth proportional to 16,763.20, 25,129.92 and 8,432.32 is: 12,640.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,763.20 : 25,129.92 = 8,432.32 : x
  2. Step 2: Convert to fraction form
    16,763.20/25,129.92 = 8,432.32/x
  3. Step 3: Cross multiply
    16,763.20x = 25,129.92 × 8,432.32
  4. Step 4: Simplify right side
    16,763.20x = 211,903,527.01
  5. Step 5: Solve for x
    x = 211,903,527.01/16,763.20
  6. Step 6: Final answer
    x = 12,640.99

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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.