Home / 19,823.73-29,732.69-5,779.99

Finding the Fourth Proportional to 19,823.73, 29,732.69 and 5,779.99

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Solution

The fourth proportional to 19,823.73, 29,732.69 and 5,779.99 is: 8,669.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,823.73 : 29,732.69 = 5,779.99 : x
  2. Step 2: Convert to fraction form
    19,823.73/29,732.69 = 5,779.99/x
  3. Step 3: Cross multiply
    19,823.73x = 29,732.69 × 5,779.99
  4. Step 4: Simplify right side
    19,823.73x = 171,854,502.21
  5. Step 5: Solve for x
    x = 171,854,502.21/19,823.73
  6. Step 6: Final answer
    x = 8,669.13

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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.