Home / 25,233.49-34,819.60-15,541.40

Finding the Fourth Proportional to 25,233.49, 34,819.60 and 15,541.40

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Solution

The fourth proportional to 25,233.49, 34,819.60 and 15,541.40 is: 21,445.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,233.49 : 34,819.60 = 15,541.40 : x
  2. Step 2: Convert to fraction form
    25,233.49/34,819.60 = 15,541.40/x
  3. Step 3: Cross multiply
    25,233.49x = 34,819.60 × 15,541.40
  4. Step 4: Simplify right side
    25,233.49x = 541,145,331.44
  5. Step 5: Solve for x
    x = 541,145,331.44/25,233.49
  6. Step 6: Final answer
    x = 21,445.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.