Home / 16,871.22-25,312.23-8,106.75

Finding the Fourth Proportional to 16,871.22, 25,312.23 and 8,106.75

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Solution

The fourth proportional to 16,871.22, 25,312.23 and 8,106.75 is: 12,162.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,871.22 : 25,312.23 = 8,106.75 : x
  2. Step 2: Convert to fraction form
    16,871.22/25,312.23 = 8,106.75/x
  3. Step 3: Cross multiply
    16,871.22x = 25,312.23 × 8,106.75
  4. Step 4: Simplify right side
    16,871.22x = 205,199,920.55
  5. Step 5: Solve for x
    x = 205,199,920.55/16,871.22
  6. Step 6: Final answer
    x = 12,162.72

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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.