Home / 16,925.25-25,390.31-5,239.38

Finding the Fourth Proportional to 16,925.25, 25,390.31 and 5,239.38

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Solution

The fourth proportional to 16,925.25, 25,390.31 and 5,239.38 is: 7,859.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,925.25 : 25,390.31 = 5,239.38 : x
  2. Step 2: Convert to fraction form
    16,925.25/25,390.31 = 5,239.38/x
  3. Step 3: Cross multiply
    16,925.25x = 25,390.31 × 5,239.38
  4. Step 4: Simplify right side
    16,925.25x = 133,029,482.41
  5. Step 5: Solve for x
    x = 133,029,482.41/16,925.25
  6. Step 6: Final answer
    x = 7,859.82

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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.