Home / 18,359.90-25,336.58-10,806.18

Finding the Fourth Proportional to 18,359.90, 25,336.58 and 10,806.18

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Solution

The fourth proportional to 18,359.90, 25,336.58 and 10,806.18 is: 14,912.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,359.90 : 25,336.58 = 10,806.18 : x
  2. Step 2: Convert to fraction form
    18,359.90/25,336.58 = 10,806.18/x
  3. Step 3: Cross multiply
    18,359.90x = 25,336.58 × 10,806.18
  4. Step 4: Simplify right side
    18,359.90x = 273,791,644.06
  5. Step 5: Solve for x
    x = 273,791,644.06/18,359.90
  6. Step 6: Final answer
    x = 14,912.48

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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.