Home / 19,536.34-29,315.04-12,965.62

Finding the Fourth Proportional to 19,536.34, 29,315.04 and 12,965.62

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Solution

The fourth proportional to 19,536.34, 29,315.04 and 12,965.62 is: 19,455.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,536.34 : 29,315.04 = 12,965.62 : x
  2. Step 2: Convert to fraction form
    19,536.34/29,315.04 = 12,965.62/x
  3. Step 3: Cross multiply
    19,536.34x = 29,315.04 × 12,965.62
  4. Step 4: Simplify right side
    19,536.34x = 380,087,668.92
  5. Step 5: Solve for x
    x = 380,087,668.92/19,536.34
  6. Step 6: Final answer
    x = 19,455.42

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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.