Home / 25,270.67-37,889.10-17,780.36

Finding the Fourth Proportional to 25,270.67, 37,889.10 and 17,780.36

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Solution

The fourth proportional to 25,270.67, 37,889.10 and 17,780.36 is: 26,658.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,270.67 : 37,889.10 = 17,780.36 : x
  2. Step 2: Convert to fraction form
    25,270.67/37,889.10 = 17,780.36/x
  3. Step 3: Cross multiply
    25,270.67x = 37,889.10 × 17,780.36
  4. Step 4: Simplify right side
    25,270.67x = 673,681,648.63
  5. Step 5: Solve for x
    x = 673,681,648.63/25,270.67
  6. Step 6: Final answer
    x = 26,658.64

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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.