Home / 16,438.50-22,704.57-11,124.09

Finding the Fourth Proportional to 16,438.50, 22,704.57 and 11,124.09

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Solution

The fourth proportional to 16,438.50, 22,704.57 and 11,124.09 is: 15,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,438.50 : 22,704.57 = 11,124.09 : x
  2. Step 2: Convert to fraction form
    16,438.50/22,704.57 = 11,124.09/x
  3. Step 3: Cross multiply
    16,438.50x = 22,704.57 × 11,124.09
  4. Step 4: Simplify right side
    16,438.50x = 252,567,680.09
  5. Step 5: Solve for x
    x = 252,567,680.09/16,438.50
  6. Step 6: Final answer
    x = 15,364.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.