Home / 19,885.33-29,826.45-8,792.38

Finding the Fourth Proportional to 19,885.33, 29,826.45 and 8,792.38

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Solution

The fourth proportional to 19,885.33, 29,826.45 and 8,792.38 is: 13,187.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,885.33 : 29,826.45 = 8,792.38 : x
  2. Step 2: Convert to fraction form
    19,885.33/29,826.45 = 8,792.38/x
  3. Step 3: Cross multiply
    19,885.33x = 29,826.45 × 8,792.38
  4. Step 4: Simplify right side
    19,885.33x = 262,245,482.45
  5. Step 5: Solve for x
    x = 262,245,482.45/19,885.33
  6. Step 6: Final answer
    x = 13,187.89

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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.