Home / 54,369.72-81,544.86-14,921.64

Finding the Fourth Proportional to 54,369.72, 81,544.86 and 14,921.64

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Solution

The fourth proportional to 54,369.72, 81,544.86 and 14,921.64 is: 22,379.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,369.72 : 81,544.86 = 14,921.64 : x
  2. Step 2: Convert to fraction form
    54,369.72/81,544.86 = 14,921.64/x
  3. Step 3: Cross multiply
    54,369.72x = 81,544.86 × 14,921.64
  4. Step 4: Simplify right side
    54,369.72x = 1,216,783,044.77
  5. Step 5: Solve for x
    x = 1,216,783,044.77/54,369.72
  6. Step 6: Final answer
    x = 22,379.79

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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.