Home / 23,397.40-32,288.24-12,786.80

Finding the Fourth Proportional to 23,397.40, 32,288.24 and 12,786.80

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Solution

The fourth proportional to 23,397.40, 32,288.24 and 12,786.80 is: 17,645.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,397.40 : 32,288.24 = 12,786.80 : x
  2. Step 2: Convert to fraction form
    23,397.40/32,288.24 = 12,786.80/x
  3. Step 3: Cross multiply
    23,397.40x = 32,288.24 × 12,786.80
  4. Step 4: Simplify right side
    23,397.40x = 412,863,267.23
  5. Step 5: Solve for x
    x = 412,863,267.23/23,397.40
  6. Step 6: Final answer
    x = 17,645.69

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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.