Home / 23,145.11-31,940.84-14,197.55

Finding the Fourth Proportional to 23,145.11, 31,940.84 and 14,197.55

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Solution

The fourth proportional to 23,145.11, 31,940.84 and 14,197.55 is: 19,592.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,145.11 : 31,940.84 = 14,197.55 : x
  2. Step 2: Convert to fraction form
    23,145.11/31,940.84 = 14,197.55/x
  3. Step 3: Cross multiply
    23,145.11x = 31,940.84 × 14,197.55
  4. Step 4: Simplify right side
    23,145.11x = 453,481,672.94
  5. Step 5: Solve for x
    x = 453,481,672.94/23,145.11
  6. Step 6: Final answer
    x = 19,592.98

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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.