Home / 23,282.72-32,130.80-12,672.80

Finding the Fourth Proportional to 23,282.72, 32,130.80 and 12,672.80

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Solution

The fourth proportional to 23,282.72, 32,130.80 and 12,672.80 is: 17,488.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,282.72 : 32,130.80 = 12,672.80 : x
  2. Step 2: Convert to fraction form
    23,282.72/32,130.80 = 12,672.80/x
  3. Step 3: Cross multiply
    23,282.72x = 32,130.80 × 12,672.80
  4. Step 4: Simplify right side
    23,282.72x = 407,187,202.24
  5. Step 5: Solve for x
    x = 407,187,202.24/23,282.72
  6. Step 6: Final answer
    x = 17,488.82

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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.