Home / 25,434.88-38,133.12-16,672

Finding the Fourth Proportional to 25,434.88, 38,133.12 and 16,672

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Solution

The fourth proportional to 25,434.88, 38,133.12 and 16,672 is: 24,995.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,434.88 : 38,133.12 = 16,672 : x
  2. Step 2: Convert to fraction form
    25,434.88/38,133.12 = 16,672/x
  3. Step 3: Cross multiply
    25,434.88x = 38,133.12 × 16,672
  4. Step 4: Simplify right side
    25,434.88x = 635,755,376.64
  5. Step 5: Solve for x
    x = 635,755,376.64/25,434.88
  6. Step 6: Final answer
    x = 24,995.41

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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.