Home / 19,432.90-29,147.73-11,636.02

Finding the Fourth Proportional to 19,432.90, 29,147.73 and 11,636.02

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Solution

The fourth proportional to 19,432.90, 29,147.73 and 11,636.02 is: 17,453.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,432.90 : 29,147.73 = 11,636.02 : x
  2. Step 2: Convert to fraction form
    19,432.90/29,147.73 = 11,636.02/x
  3. Step 3: Cross multiply
    19,432.90x = 29,147.73 × 11,636.02
  4. Step 4: Simplify right side
    19,432.90x = 339,163,569.23
  5. Step 5: Solve for x
    x = 339,163,569.23/19,432.90
  6. Step 6: Final answer
    x = 17,453.06

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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.