Home / 19,511.10-29,269.72-6,360.42

Finding the Fourth Proportional to 19,511.10, 29,269.72 and 6,360.42

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Solution

The fourth proportional to 19,511.10, 29,269.72 and 6,360.42 is: 9,541.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,511.10 : 29,269.72 = 6,360.42 : x
  2. Step 2: Convert to fraction form
    19,511.10/29,269.72 = 6,360.42/x
  3. Step 3: Cross multiply
    19,511.10x = 29,269.72 × 6,360.42
  4. Step 4: Simplify right side
    19,511.10x = 186,167,712.48
  5. Step 5: Solve for x
    x = 186,167,712.48/19,511.10
  6. Step 6: Final answer
    x = 9,541.63

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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.