Home / 18,632.79-25,716.96-10,680.39

Finding the Fourth Proportional to 18,632.79, 25,716.96 and 10,680.39

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Solution

The fourth proportional to 18,632.79, 25,716.96 and 10,680.39 is: 14,741.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,632.79 : 25,716.96 = 10,680.39 : x
  2. Step 2: Convert to fraction form
    18,632.79/25,716.96 = 10,680.39/x
  3. Step 3: Cross multiply
    18,632.79x = 25,716.96 × 10,680.39
  4. Step 4: Simplify right side
    18,632.79x = 274,667,162.41
  5. Step 5: Solve for x
    x = 274,667,162.41/18,632.79
  6. Step 6: Final answer
    x = 14,741.06

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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.