Home / 13,403.29-20,108.28-4,043.08

Finding the Fourth Proportional to 13,403.29, 20,108.28 and 4,043.08

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Solution

The fourth proportional to 13,403.29, 20,108.28 and 4,043.08 is: 6,065.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403.29 : 20,108.28 = 4,043.08 : x
  2. Step 2: Convert to fraction form
    13,403.29/20,108.28 = 4,043.08/x
  3. Step 3: Cross multiply
    13,403.29x = 20,108.28 × 4,043.08
  4. Step 4: Simplify right side
    13,403.29x = 81,299,384.70
  5. Step 5: Solve for x
    x = 81,299,384.70/13,403.29
  6. Step 6: Final answer
    x = 6,065.63

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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.