Home / 18,541.58-25,566.88-11,816.56

Finding the Fourth Proportional to 18,541.58, 25,566.88 and 11,816.56

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Solution

The fourth proportional to 18,541.58, 25,566.88 and 11,816.56 is: 16,293.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,541.58 : 25,566.88 = 11,816.56 : x
  2. Step 2: Convert to fraction form
    18,541.58/25,566.88 = 11,816.56/x
  3. Step 3: Cross multiply
    18,541.58x = 25,566.88 × 11,816.56
  4. Step 4: Simplify right side
    18,541.58x = 302,112,571.53
  5. Step 5: Solve for x
    x = 302,112,571.53/18,541.58
  6. Step 6: Final answer
    x = 16,293.79

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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.