Home / 12,922.13-19,377.63-4,035.42

Finding the Fourth Proportional to 12,922.13, 19,377.63 and 4,035.42

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Solution

The fourth proportional to 12,922.13, 19,377.63 and 4,035.42 is: 6,051.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,922.13 : 19,377.63 = 4,035.42 : x
  2. Step 2: Convert to fraction form
    12,922.13/19,377.63 = 4,035.42/x
  3. Step 3: Cross multiply
    12,922.13x = 19,377.63 × 4,035.42
  4. Step 4: Simplify right side
    12,922.13x = 78,196,875.65
  5. Step 5: Solve for x
    x = 78,196,875.65/12,922.13
  6. Step 6: Final answer
    x = 6,051.39

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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.