Home / 17,681.24-26,528.86-7,290.56

Finding the Fourth Proportional to 17,681.24, 26,528.86 and 7,290.56

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Solution

The fourth proportional to 17,681.24, 26,528.86 and 7,290.56 is: 10,938.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,681.24 : 26,528.86 = 7,290.56 : x
  2. Step 2: Convert to fraction form
    17,681.24/26,528.86 = 7,290.56/x
  3. Step 3: Cross multiply
    17,681.24x = 26,528.86 × 7,290.56
  4. Step 4: Simplify right side
    17,681.24x = 193,410,245.56
  5. Step 5: Solve for x
    x = 193,410,245.56/17,681.24
  6. Step 6: Final answer
    x = 10,938.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.