Home / 13,281.30-19,934.25-6,712.11

Finding the Fourth Proportional to 13,281.30, 19,934.25 and 6,712.11

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Solution

The fourth proportional to 13,281.30, 19,934.25 and 6,712.11 is: 10,074.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,281.30 : 19,934.25 = 6,712.11 : x
  2. Step 2: Convert to fraction form
    13,281.30/19,934.25 = 6,712.11/x
  3. Step 3: Cross multiply
    13,281.30x = 19,934.25 × 6,712.11
  4. Step 4: Simplify right side
    13,281.30x = 133,800,878.77
  5. Step 5: Solve for x
    x = 133,800,878.77/13,281.30
  6. Step 6: Final answer
    x = 10,074.38

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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.