Home / 19,239.12-28,863.80-6,091.76

Finding the Fourth Proportional to 19,239.12, 28,863.80 and 6,091.76

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Solution

The fourth proportional to 19,239.12, 28,863.80 and 6,091.76 is: 9,139.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.12 : 28,863.80 = 6,091.76 : x
  2. Step 2: Convert to fraction form
    19,239.12/28,863.80 = 6,091.76/x
  3. Step 3: Cross multiply
    19,239.12x = 28,863.80 × 6,091.76
  4. Step 4: Simplify right side
    19,239.12x = 175,831,342.29
  5. Step 5: Solve for x
    x = 175,831,342.29/19,239.12
  6. Step 6: Final answer
    x = 9,139.26

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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.