Home / 43,813.61-65,739.24-14,240.51

Finding the Fourth Proportional to 43,813.61, 65,739.24 and 14,240.51

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Solution

The fourth proportional to 43,813.61, 65,739.24 and 14,240.51 is: 21,366.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,813.61 : 65,739.24 = 14,240.51 : x
  2. Step 2: Convert to fraction form
    43,813.61/65,739.24 = 14,240.51/x
  3. Step 3: Cross multiply
    43,813.61x = 65,739.24 × 14,240.51
  4. Step 4: Simplify right side
    43,813.61x = 936,159,975.92
  5. Step 5: Solve for x
    x = 936,159,975.92/43,813.61
  6. Step 6: Final answer
    x = 21,366.88

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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.