Home / 19,032.27-28,581.08-11,679.90

Finding the Fourth Proportional to 19,032.27, 28,581.08 and 11,679.90

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Solution

The fourth proportional to 19,032.27, 28,581.08 and 11,679.90 is: 17,539.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,032.27 : 28,581.08 = 11,679.90 : x
  2. Step 2: Convert to fraction form
    19,032.27/28,581.08 = 11,679.90/x
  3. Step 3: Cross multiply
    19,032.27x = 28,581.08 × 11,679.90
  4. Step 4: Simplify right side
    19,032.27x = 333,824,097.89
  5. Step 5: Solve for x
    x = 333,824,097.89/19,032.27
  6. Step 6: Final answer
    x = 17,539.90

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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.