Home / 25,419.24-38,133.65-9,629

Finding the Fourth Proportional to 25,419.24, 38,133.65 and 9,629

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Solution

The fourth proportional to 25,419.24, 38,133.65 and 9,629 is: 14,445.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,419.24 : 38,133.65 = 9,629 : x
  2. Step 2: Convert to fraction form
    25,419.24/38,133.65 = 9,629/x
  3. Step 3: Cross multiply
    25,419.24x = 38,133.65 × 9,629
  4. Step 4: Simplify right side
    25,419.24x = 367,188,915.85
  5. Step 5: Solve for x
    x = 367,188,915.85/25,419.24
  6. Step 6: Final answer
    x = 14,445.31

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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.