Home / 19,319.51-28,981.22-5,992.04

Finding the Fourth Proportional to 19,319.51, 28,981.22 and 5,992.04

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Solution

The fourth proportional to 19,319.51, 28,981.22 and 5,992.04 is: 8,988.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319.51 : 28,981.22 = 5,992.04 : x
  2. Step 2: Convert to fraction form
    19,319.51/28,981.22 = 5,992.04/x
  3. Step 3: Cross multiply
    19,319.51x = 28,981.22 × 5,992.04
  4. Step 4: Simplify right side
    19,319.51x = 173,656,454.62
  5. Step 5: Solve for x
    x = 173,656,454.62/19,319.51
  6. Step 6: Final answer
    x = 8,988.66

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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.