Home / 25,466.20-38,228.10-19,648.60

Finding the Fourth Proportional to 25,466.20, 38,228.10 and 19,648.60

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Solution

The fourth proportional to 25,466.20, 38,228.10 and 19,648.60 is: 29,495.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,466.20 : 38,228.10 = 19,648.60 : x
  2. Step 2: Convert to fraction form
    25,466.20/38,228.10 = 19,648.60/x
  3. Step 3: Cross multiply
    25,466.20x = 38,228.10 × 19,648.60
  4. Step 4: Simplify right side
    25,466.20x = 751,128,645.66
  5. Step 5: Solve for x
    x = 751,128,645.66/25,466.20
  6. Step 6: Final answer
    x = 29,495.12

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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.