Home / 19,087.68-28,631.16-5,237.04

Finding the Fourth Proportional to 19,087.68, 28,631.16 and 5,237.04

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Solution

The fourth proportional to 19,087.68, 28,631.16 and 5,237.04 is: 7,855.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,087.68 : 28,631.16 = 5,237.04 : x
  2. Step 2: Convert to fraction form
    19,087.68/28,631.16 = 5,237.04/x
  3. Step 3: Cross multiply
    19,087.68x = 28,631.16 × 5,237.04
  4. Step 4: Simplify right side
    19,087.68x = 149,942,530.17
  5. Step 5: Solve for x
    x = 149,942,530.17/19,087.68
  6. Step 6: Final answer
    x = 7,855.46

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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.