Home / 17,749.76-26,638.40-6,666.53

Finding the Fourth Proportional to 17,749.76, 26,638.40 and 6,666.53

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Solution

The fourth proportional to 17,749.76, 26,638.40 and 6,666.53 is: 10,004.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,749.76 : 26,638.40 = 6,666.53 : x
  2. Step 2: Convert to fraction form
    17,749.76/26,638.40 = 6,666.53/x
  3. Step 3: Cross multiply
    17,749.76x = 26,638.40 × 6,666.53
  4. Step 4: Simplify right side
    17,749.76x = 177,585,576.23
  5. Step 5: Solve for x
    x = 177,585,576.23/17,749.76
  6. Step 6: Final answer
    x = 10,004.96

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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.