Home / 19,442.66-29,179.55-10,085.36

Finding the Fourth Proportional to 19,442.66, 29,179.55 and 10,085.36

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Solution

The fourth proportional to 19,442.66, 29,179.55 and 10,085.36 is: 15,136.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,442.66 : 29,179.55 = 10,085.36 : x
  2. Step 2: Convert to fraction form
    19,442.66/29,179.55 = 10,085.36/x
  3. Step 3: Cross multiply
    19,442.66x = 29,179.55 × 10,085.36
  4. Step 4: Simplify right side
    19,442.66x = 294,286,145.70
  5. Step 5: Solve for x
    x = 294,286,145.70/19,442.66
  6. Step 6: Final answer
    x = 15,136.11

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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.