Home / 25,853.70-38,762.45-13,207.37

Finding the Fourth Proportional to 25,853.70, 38,762.45 and 13,207.37

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Solution

The fourth proportional to 25,853.70, 38,762.45 and 13,207.37 is: 19,801.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,853.70 : 38,762.45 = 13,207.37 : x
  2. Step 2: Convert to fraction form
    25,853.70/38,762.45 = 13,207.37/x
  3. Step 3: Cross multiply
    25,853.70x = 38,762.45 × 13,207.37
  4. Step 4: Simplify right side
    25,853.70x = 511,949,992.25
  5. Step 5: Solve for x
    x = 511,949,992.25/25,853.70
  6. Step 6: Final answer
    x = 19,801.81

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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.