Home / 18,586.40-25,634.22-16,343.60

Finding the Fourth Proportional to 18,586.40, 25,634.22 and 16,343.60

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Solution

The fourth proportional to 18,586.40, 25,634.22 and 16,343.60 is: 22,540.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,586.40 : 25,634.22 = 16,343.60 : x
  2. Step 2: Convert to fraction form
    18,586.40/25,634.22 = 16,343.60/x
  3. Step 3: Cross multiply
    18,586.40x = 25,634.22 × 16,343.60
  4. Step 4: Simplify right side
    18,586.40x = 418,955,437.99
  5. Step 5: Solve for x
    x = 418,955,437.99/18,586.40
  6. Step 6: Final answer
    x = 22,540.97

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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.