Home / 16,368.94-24,565.77-13,121.25

Finding the Fourth Proportional to 16,368.94, 24,565.77 and 13,121.25

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Solution

The fourth proportional to 16,368.94, 24,565.77 and 13,121.25 is: 19,691.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,368.94 : 24,565.77 = 13,121.25 : x
  2. Step 2: Convert to fraction form
    16,368.94/24,565.77 = 13,121.25/x
  3. Step 3: Cross multiply
    16,368.94x = 24,565.77 × 13,121.25
  4. Step 4: Simplify right side
    16,368.94x = 322,333,609.61
  5. Step 5: Solve for x
    x = 322,333,609.61/16,368.94
  6. Step 6: Final answer
    x = 19,691.78

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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.