Home / 23,731.11-32,747.90-12,975.78

Finding the Fourth Proportional to 23,731.11, 32,747.90 and 12,975.78

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Solution

The fourth proportional to 23,731.11, 32,747.90 and 12,975.78 is: 17,906.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,731.11 : 32,747.90 = 12,975.78 : x
  2. Step 2: Convert to fraction form
    23,731.11/32,747.90 = 12,975.78/x
  3. Step 3: Cross multiply
    23,731.11x = 32,747.90 × 12,975.78
  4. Step 4: Simplify right side
    23,731.11x = 424,929,480.98
  5. Step 5: Solve for x
    x = 424,929,480.98/23,731.11
  6. Step 6: Final answer
    x = 17,906.01

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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.