Home / 19,403.52-29,104.70-5,364.40

Finding the Fourth Proportional to 19,403.52, 29,104.70 and 5,364.40

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Solution

The fourth proportional to 19,403.52, 29,104.70 and 5,364.40 is: 8,046.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,403.52 : 29,104.70 = 5,364.40 : x
  2. Step 2: Convert to fraction form
    19,403.52/29,104.70 = 5,364.40/x
  3. Step 3: Cross multiply
    19,403.52x = 29,104.70 × 5,364.40
  4. Step 4: Simplify right side
    19,403.52x = 156,129,252.68
  5. Step 5: Solve for x
    x = 156,129,252.68/19,403.52
  6. Step 6: Final answer
    x = 8,046.44

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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.