Home / 13,414.99-20,024.06-12,425.38

Finding the Fourth Proportional to 13,414.99, 20,024.06 and 12,425.38

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Solution

The fourth proportional to 13,414.99, 20,024.06 and 12,425.38 is: 18,546.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,414.99 : 20,024.06 = 12,425.38 : x
  2. Step 2: Convert to fraction form
    13,414.99/20,024.06 = 12,425.38/x
  3. Step 3: Cross multiply
    13,414.99x = 20,024.06 × 12,425.38
  4. Step 4: Simplify right side
    13,414.99x = 248,806,554.64
  5. Step 5: Solve for x
    x = 248,806,554.64/13,414.99
  6. Step 6: Final answer
    x = 18,546.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.