Home / 19,292.22-28,949.13-10,536.66

Finding the Fourth Proportional to 19,292.22, 28,949.13 and 10,536.66

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Solution

The fourth proportional to 19,292.22, 28,949.13 and 10,536.66 is: 15,810.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,292.22 : 28,949.13 = 10,536.66 : x
  2. Step 2: Convert to fraction form
    19,292.22/28,949.13 = 10,536.66/x
  3. Step 3: Cross multiply
    19,292.22x = 28,949.13 × 10,536.66
  4. Step 4: Simplify right side
    19,292.22x = 305,027,140.11
  5. Step 5: Solve for x
    x = 305,027,140.11/19,292.22
  6. Step 6: Final answer
    x = 15,810.89

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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.