Home / 18,733.60-25,842.64-13,958.56

Finding the Fourth Proportional to 18,733.60, 25,842.64 and 13,958.56

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Solution

The fourth proportional to 18,733.60, 25,842.64 and 13,958.56 is: 19,255.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,733.60 : 25,842.64 = 13,958.56 : x
  2. Step 2: Convert to fraction form
    18,733.60/25,842.64 = 13,958.56/x
  3. Step 3: Cross multiply
    18,733.60x = 25,842.64 × 13,958.56
  4. Step 4: Simplify right side
    18,733.60x = 360,726,041.00
  5. Step 5: Solve for x
    x = 360,726,041.00/18,733.60
  6. Step 6: Final answer
    x = 19,255.56

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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.