Home / 23,338.98-32,208.57-12,729.21

Finding the Fourth Proportional to 23,338.98, 32,208.57 and 12,729.21

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Solution

The fourth proportional to 23,338.98, 32,208.57 and 12,729.21 is: 17,566.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,338.98 : 32,208.57 = 12,729.21 : x
  2. Step 2: Convert to fraction form
    23,338.98/32,208.57 = 12,729.21/x
  3. Step 3: Cross multiply
    23,338.98x = 32,208.57 × 12,729.21
  4. Step 4: Simplify right side
    23,338.98x = 409,989,651.33
  5. Step 5: Solve for x
    x = 409,989,651.33/23,338.98
  6. Step 6: Final answer
    x = 17,566.73

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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.