Home / 13,355.10-20,031.71-4,589.82

Finding the Fourth Proportional to 13,355.10, 20,031.71 and 4,589.82

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Solution

The fourth proportional to 13,355.10, 20,031.71 and 4,589.82 is: 6,884.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355.10 : 20,031.71 = 4,589.82 : x
  2. Step 2: Convert to fraction form
    13,355.10/20,031.71 = 4,589.82/x
  3. Step 3: Cross multiply
    13,355.10x = 20,031.71 × 4,589.82
  4. Step 4: Simplify right side
    13,355.10x = 91,941,920.24
  5. Step 5: Solve for x
    x = 91,941,920.24/13,355.10
  6. Step 6: Final answer
    x = 6,884.41

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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.