Home / 45,226.42-67,842.86-11,946.15

Finding the Fourth Proportional to 45,226.42, 67,842.86 and 11,946.15

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Solution

The fourth proportional to 45,226.42, 67,842.86 and 11,946.15 is: 17,920.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,226.42 : 67,842.86 = 11,946.15 : x
  2. Step 2: Convert to fraction form
    45,226.42/67,842.86 = 11,946.15/x
  3. Step 3: Cross multiply
    45,226.42x = 67,842.86 × 11,946.15
  4. Step 4: Simplify right side
    45,226.42x = 810,461,011.85
  5. Step 5: Solve for x
    x = 810,461,011.85/45,226.42
  6. Step 6: Final answer
    x = 17,920.08

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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.