Home / 16,827.59-25,219.11-12,912.86

Finding the Fourth Proportional to 16,827.59, 25,219.11 and 12,912.86

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Solution

The fourth proportional to 16,827.59, 25,219.11 and 12,912.86 is: 19,352.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,827.59 : 25,219.11 = 12,912.86 : x
  2. Step 2: Convert to fraction form
    16,827.59/25,219.11 = 12,912.86/x
  3. Step 3: Cross multiply
    16,827.59x = 25,219.11 × 12,912.86
  4. Step 4: Simplify right side
    16,827.59x = 325,650,836.75
  5. Step 5: Solve for x
    x = 325,650,836.75/16,827.59
  6. Step 6: Final answer
    x = 19,352.20

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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.