Home / 16,833.80-25,250.70-12,168.20

Finding the Fourth Proportional to 16,833.80, 25,250.70 and 12,168.20

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Solution

The fourth proportional to 16,833.80, 25,250.70 and 12,168.20 is: 18,252.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,833.80 : 25,250.70 = 12,168.20 : x
  2. Step 2: Convert to fraction form
    16,833.80/25,250.70 = 12,168.20/x
  3. Step 3: Cross multiply
    16,833.80x = 25,250.70 × 12,168.20
  4. Step 4: Simplify right side
    16,833.80x = 307,255,567.74
  5. Step 5: Solve for x
    x = 307,255,567.74/16,833.80
  6. Step 6: Final answer
    x = 18,252.30

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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.