Home / 12,202.99-16,827.55-10,440.43

Finding the Fourth Proportional to 12,202.99, 16,827.55 and 10,440.43

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Solution

The fourth proportional to 12,202.99, 16,827.55 and 10,440.43 is: 14,397.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,202.99 : 16,827.55 = 10,440.43 : x
  2. Step 2: Convert to fraction form
    12,202.99/16,827.55 = 10,440.43/x
  3. Step 3: Cross multiply
    12,202.99x = 16,827.55 × 10,440.43
  4. Step 4: Simplify right side
    12,202.99x = 175,686,857.85
  5. Step 5: Solve for x
    x = 175,686,857.85/12,202.99
  6. Step 6: Final answer
    x = 14,397.03

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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.