Home / 19,582.72-29,300.46-11,656

Finding the Fourth Proportional to 19,582.72, 29,300.46 and 11,656

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Solution

The fourth proportional to 19,582.72, 29,300.46 and 11,656 is: 17,440.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,582.72 : 29,300.46 = 11,656 : x
  2. Step 2: Convert to fraction form
    19,582.72/29,300.46 = 11,656/x
  3. Step 3: Cross multiply
    19,582.72x = 29,300.46 × 11,656
  4. Step 4: Simplify right side
    19,582.72x = 341,526,161.76
  5. Step 5: Solve for x
    x = 341,526,161.76/19,582.72
  6. Step 6: Final answer
    x = 17,440.18

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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.