Home / 18,504.67-25,536.71-10,438.70

Finding the Fourth Proportional to 18,504.67, 25,536.71 and 10,438.70

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Solution

The fourth proportional to 18,504.67, 25,536.71 and 10,438.70 is: 14,405.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,504.67 : 25,536.71 = 10,438.70 : x
  2. Step 2: Convert to fraction form
    18,504.67/25,536.71 = 10,438.70/x
  3. Step 3: Cross multiply
    18,504.67x = 25,536.71 × 10,438.70
  4. Step 4: Simplify right side
    18,504.67x = 266,570,054.68
  5. Step 5: Solve for x
    x = 266,570,054.68/18,504.67
  6. Step 6: Final answer
    x = 14,405.56

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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.