Home / 14,041.91-19,377.81-8,074.73

Finding the Fourth Proportional to 14,041.91, 19,377.81 and 8,074.73

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Solution

The fourth proportional to 14,041.91, 19,377.81 and 8,074.73 is: 11,143.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,041.91 : 19,377.81 = 8,074.73 : x
  2. Step 2: Convert to fraction form
    14,041.91/19,377.81 = 8,074.73/x
  3. Step 3: Cross multiply
    14,041.91x = 19,377.81 × 8,074.73
  4. Step 4: Simplify right side
    14,041.91x = 156,470,583.74
  5. Step 5: Solve for x
    x = 156,470,583.74/14,041.91
  6. Step 6: Final answer
    x = 11,143.11

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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.