Home / 19,528.83-29,281.32-7,668.39

Finding the Fourth Proportional to 19,528.83, 29,281.32 and 7,668.39

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Solution

The fourth proportional to 19,528.83, 29,281.32 and 7,668.39 is: 11,497.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,528.83 : 29,281.32 = 7,668.39 : x
  2. Step 2: Convert to fraction form
    19,528.83/29,281.32 = 7,668.39/x
  3. Step 3: Cross multiply
    19,528.83x = 29,281.32 × 7,668.39
  4. Step 4: Simplify right side
    19,528.83x = 224,540,581.47
  5. Step 5: Solve for x
    x = 224,540,581.47/19,528.83
  6. Step 6: Final answer
    x = 11,497.90

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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.