Home / 23,283.15-32,129.10-12,672.56

Finding the Fourth Proportional to 23,283.15, 32,129.10 and 12,672.56

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Solution

The fourth proportional to 23,283.15, 32,129.10 and 12,672.56 is: 17,487.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,283.15 : 32,129.10 = 12,672.56 : x
  2. Step 2: Convert to fraction form
    23,283.15/32,129.10 = 12,672.56/x
  3. Step 3: Cross multiply
    23,283.15x = 32,129.10 × 12,672.56
  4. Step 4: Simplify right side
    23,283.15x = 407,157,786.85
  5. Step 5: Solve for x
    x = 407,157,786.85/23,283.15
  6. Step 6: Final answer
    x = 17,487.23

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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.