Home / 12,029.60-16,605.45-10,768.43

Finding the Fourth Proportional to 12,029.60, 16,605.45 and 10,768.43

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Solution

The fourth proportional to 12,029.60, 16,605.45 and 10,768.43 is: 14,864.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029.60 : 16,605.45 = 10,768.43 : x
  2. Step 2: Convert to fraction form
    12,029.60/16,605.45 = 10,768.43/x
  3. Step 3: Cross multiply
    12,029.60x = 16,605.45 × 10,768.43
  4. Step 4: Simplify right side
    12,029.60x = 178,814,542.92
  5. Step 5: Solve for x
    x = 178,814,542.92/12,029.60
  6. Step 6: Final answer
    x = 14,864.55

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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.