Home / 16,474.26-22,727.20-12,947.72

Finding the Fourth Proportional to 16,474.26, 22,727.20 and 12,947.72

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Solution

The fourth proportional to 16,474.26, 22,727.20 and 12,947.72 is: 17,862.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,474.26 : 22,727.20 = 12,947.72 : x
  2. Step 2: Convert to fraction form
    16,474.26/22,727.20 = 12,947.72/x
  3. Step 3: Cross multiply
    16,474.26x = 22,727.20 × 12,947.72
  4. Step 4: Simplify right side
    16,474.26x = 294,265,421.98
  5. Step 5: Solve for x
    x = 294,265,421.98/16,474.26
  6. Step 6: Final answer
    x = 17,862.13

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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.