Home / 25,913.89-38,876.51-8,383.47

Finding the Fourth Proportional to 25,913.89, 38,876.51 and 8,383.47

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Solution

The fourth proportional to 25,913.89, 38,876.51 and 8,383.47 is: 12,577.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,913.89 : 38,876.51 = 8,383.47 : x
  2. Step 2: Convert to fraction form
    25,913.89/38,876.51 = 8,383.47/x
  3. Step 3: Cross multiply
    25,913.89x = 38,876.51 × 8,383.47
  4. Step 4: Simplify right side
    25,913.89x = 325,920,055.29
  5. Step 5: Solve for x
    x = 325,920,055.29/25,913.89
  6. Step 6: Final answer
    x = 12,577.04

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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.