Home / 25,917.53-38,829.36-11,889.29

Finding the Fourth Proportional to 25,917.53, 38,829.36 and 11,889.29

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Solution

The fourth proportional to 25,917.53, 38,829.36 and 11,889.29 is: 17,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,917.53 : 38,829.36 = 11,889.29 : x
  2. Step 2: Convert to fraction form
    25,917.53/38,829.36 = 11,889.29/x
  3. Step 3: Cross multiply
    25,917.53x = 38,829.36 × 11,889.29
  4. Step 4: Simplify right side
    25,917.53x = 461,653,521.55
  5. Step 5: Solve for x
    x = 461,653,521.55/25,917.53
  6. Step 6: Final answer
    x = 17,812.40

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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.