Home / 18,540.35-25,586.99-10,583.76

Finding the Fourth Proportional to 18,540.35, 25,586.99 and 10,583.76

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Solution

The fourth proportional to 18,540.35, 25,586.99 and 10,583.76 is: 14,606.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540.35 : 25,586.99 = 10,583.76 : x
  2. Step 2: Convert to fraction form
    18,540.35/25,586.99 = 10,583.76/x
  3. Step 3: Cross multiply
    18,540.35x = 25,586.99 × 10,583.76
  4. Step 4: Simplify right side
    18,540.35x = 270,806,508.36
  5. Step 5: Solve for x
    x = 270,806,508.36/18,540.35
  6. Step 6: Final answer
    x = 14,606.34

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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.