Home / 25,600.44-38,376-13,126.32

Finding the Fourth Proportional to 25,600.44, 38,376 and 13,126.32

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Solution

The fourth proportional to 25,600.44, 38,376 and 13,126.32 is: 19,676.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,600.44 : 38,376 = 13,126.32 : x
  2. Step 2: Convert to fraction form
    25,600.44/38,376 = 13,126.32/x
  3. Step 3: Cross multiply
    25,600.44x = 38,376 × 13,126.32
  4. Step 4: Simplify right side
    25,600.44x = 503,735,656.32
  5. Step 5: Solve for x
    x = 503,735,656.32/25,600.44
  6. Step 6: Final answer
    x = 19,676.84

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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.