Home / 23,778.47-32,811.49-13,706.79

Finding the Fourth Proportional to 23,778.47, 32,811.49 and 13,706.79

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Solution

The fourth proportional to 23,778.47, 32,811.49 and 13,706.79 is: 18,913.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,778.47 : 32,811.49 = 13,706.79 : x
  2. Step 2: Convert to fraction form
    23,778.47/32,811.49 = 13,706.79/x
  3. Step 3: Cross multiply
    23,778.47x = 32,811.49 × 13,706.79
  4. Step 4: Simplify right side
    23,778.47x = 449,740,203.02
  5. Step 5: Solve for x
    x = 449,740,203.02/23,778.47
  6. Step 6: Final answer
    x = 18,913.76

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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.