Home / 19,135.55-28,703.33-5,988.04

Finding the Fourth Proportional to 19,135.55, 28,703.33 and 5,988.04

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Solution

The fourth proportional to 19,135.55, 28,703.33 and 5,988.04 is: 8,982.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,135.55 : 28,703.33 = 5,988.04 : x
  2. Step 2: Convert to fraction form
    19,135.55/28,703.33 = 5,988.04/x
  3. Step 3: Cross multiply
    19,135.55x = 28,703.33 × 5,988.04
  4. Step 4: Simplify right side
    19,135.55x = 171,876,688.17
  5. Step 5: Solve for x
    x = 171,876,688.17/19,135.55
  6. Step 6: Final answer
    x = 8,982.06

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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.