Home / 16,939.26-25,432.16-8,624.86

Finding the Fourth Proportional to 16,939.26, 25,432.16 and 8,624.86

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Solution

The fourth proportional to 16,939.26, 25,432.16 and 8,624.86 is: 12,949.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,939.26 : 25,432.16 = 8,624.86 : x
  2. Step 2: Convert to fraction form
    16,939.26/25,432.16 = 8,624.86/x
  3. Step 3: Cross multiply
    16,939.26x = 25,432.16 × 8,624.86
  4. Step 4: Simplify right side
    16,939.26x = 219,348,712.79
  5. Step 5: Solve for x
    x = 219,348,712.79/16,939.26
  6. Step 6: Final answer
    x = 12,949.13

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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.