Home / 25,715.12-38,608.36-13,244.04

Finding the Fourth Proportional to 25,715.12, 38,608.36 and 13,244.04

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Solution

The fourth proportional to 25,715.12, 38,608.36 and 13,244.04 is: 19,884.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,715.12 : 38,608.36 = 13,244.04 : x
  2. Step 2: Convert to fraction form
    25,715.12/38,608.36 = 13,244.04/x
  3. Step 3: Cross multiply
    25,715.12x = 38,608.36 × 13,244.04
  4. Step 4: Simplify right side
    25,715.12x = 511,330,664.17
  5. Step 5: Solve for x
    x = 511,330,664.17/25,715.12
  6. Step 6: Final answer
    x = 19,884.44

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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.