Home / 13,281.65-19,922.52-4,961.58

Finding the Fourth Proportional to 13,281.65, 19,922.52 and 4,961.58

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Solution

The fourth proportional to 13,281.65, 19,922.52 and 4,961.58 is: 7,442.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,281.65 : 19,922.52 = 4,961.58 : x
  2. Step 2: Convert to fraction form
    13,281.65/19,922.52 = 4,961.58/x
  3. Step 3: Cross multiply
    13,281.65x = 19,922.52 × 4,961.58
  4. Step 4: Simplify right side
    13,281.65x = 98,847,176.78
  5. Step 5: Solve for x
    x = 98,847,176.78/13,281.65
  6. Step 6: Final answer
    x = 7,442.39

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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.