Home / 18,440.56-25,403.52-14,662.52

Finding the Fourth Proportional to 18,440.56, 25,403.52 and 14,662.52

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Solution

The fourth proportional to 18,440.56, 25,403.52 and 14,662.52 is: 20,198.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440.56 : 25,403.52 = 14,662.52 : x
  2. Step 2: Convert to fraction form
    18,440.56/25,403.52 = 14,662.52/x
  3. Step 3: Cross multiply
    18,440.56x = 25,403.52 × 14,662.52
  4. Step 4: Simplify right side
    18,440.56x = 372,479,643.30
  5. Step 5: Solve for x
    x = 372,479,643.30/18,440.56
  6. Step 6: Final answer
    x = 20,198.93

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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.