Home / 13,947.72-19,205.73-12,055.92

Finding the Fourth Proportional to 13,947.72, 19,205.73 and 12,055.92

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Solution

The fourth proportional to 13,947.72, 19,205.73 and 12,055.92 is: 16,600.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.72 : 19,205.73 = 12,055.92 : x
  2. Step 2: Convert to fraction form
    13,947.72/19,205.73 = 12,055.92/x
  3. Step 3: Cross multiply
    13,947.72x = 19,205.73 × 12,055.92
  4. Step 4: Simplify right side
    13,947.72x = 231,542,744.42
  5. Step 5: Solve for x
    x = 231,542,744.42/13,947.72
  6. Step 6: Final answer
    x = 16,600.76

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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.