Home / 12,950.86-19,429.52-4,186.66

Finding the Fourth Proportional to 12,950.86, 19,429.52 and 4,186.66

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Solution

The fourth proportional to 12,950.86, 19,429.52 and 4,186.66 is: 6,281.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950.86 : 19,429.52 = 4,186.66 : x
  2. Step 2: Convert to fraction form
    12,950.86/19,429.52 = 4,186.66/x
  3. Step 3: Cross multiply
    12,950.86x = 19,429.52 × 4,186.66
  4. Step 4: Simplify right side
    12,950.86x = 81,344,794.20
  5. Step 5: Solve for x
    x = 81,344,794.20/12,950.86
  6. Step 6: Final answer
    x = 6,281.03

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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.