Home / 12,333.68-18,503.29-3,569.28

Finding the Fourth Proportional to 12,333.68, 18,503.29 and 3,569.28

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Solution

The fourth proportional to 12,333.68, 18,503.29 and 3,569.28 is: 5,354.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,333.68 : 18,503.29 = 3,569.28 : x
  2. Step 2: Convert to fraction form
    12,333.68/18,503.29 = 3,569.28/x
  3. Step 3: Cross multiply
    12,333.68x = 18,503.29 × 3,569.28
  4. Step 4: Simplify right side
    12,333.68x = 66,043,422.93
  5. Step 5: Solve for x
    x = 66,043,422.93/12,333.68
  6. Step 6: Final answer
    x = 5,354.72

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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.