Home / 13,892.06-20,825.58-5,124.80

Finding the Fourth Proportional to 13,892.06, 20,825.58 and 5,124.80

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Solution

The fourth proportional to 13,892.06, 20,825.58 and 5,124.80 is: 7,682.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892.06 : 20,825.58 = 5,124.80 : x
  2. Step 2: Convert to fraction form
    13,892.06/20,825.58 = 5,124.80/x
  3. Step 3: Cross multiply
    13,892.06x = 20,825.58 × 5,124.80
  4. Step 4: Simplify right side
    13,892.06x = 106,726,932.38
  5. Step 5: Solve for x
    x = 106,726,932.38/13,892.06
  6. Step 6: Final answer
    x = 7,682.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.