Home / 14,110.73-19,473.18-7,977.94

Finding the Fourth Proportional to 14,110.73, 19,473.18 and 7,977.94

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Solution

The fourth proportional to 14,110.73, 19,473.18 and 7,977.94 is: 11,009.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.73 : 19,473.18 = 7,977.94 : x
  2. Step 2: Convert to fraction form
    14,110.73/19,473.18 = 7,977.94/x
  3. Step 3: Cross multiply
    14,110.73x = 19,473.18 × 7,977.94
  4. Step 4: Simplify right side
    14,110.73x = 155,355,861.65
  5. Step 5: Solve for x
    x = 155,355,861.65/14,110.73
  6. Step 6: Final answer
    x = 11,009.77

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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.