Home / 23,021.55-31,772.54-12,950.41

Finding the Fourth Proportional to 23,021.55, 31,772.54 and 12,950.41

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Solution

The fourth proportional to 23,021.55, 31,772.54 and 12,950.41 is: 17,873.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,021.55 : 31,772.54 = 12,950.41 : x
  2. Step 2: Convert to fraction form
    23,021.55/31,772.54 = 12,950.41/x
  3. Step 3: Cross multiply
    23,021.55x = 31,772.54 × 12,950.41
  4. Step 4: Simplify right side
    23,021.55x = 411,467,452.12
  5. Step 5: Solve for x
    x = 411,467,452.12/23,021.55
  6. Step 6: Final answer
    x = 17,873.15

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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.