Home / 13,403.35-20,105.17-4,043.45

Finding the Fourth Proportional to 13,403.35, 20,105.17 and 4,043.45

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Solution

The fourth proportional to 13,403.35, 20,105.17 and 4,043.45 is: 6,065.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403.35 : 20,105.17 = 4,043.45 : x
  2. Step 2: Convert to fraction form
    13,403.35/20,105.17 = 4,043.45/x
  3. Step 3: Cross multiply
    13,403.35x = 20,105.17 × 4,043.45
  4. Step 4: Simplify right side
    13,403.35x = 81,294,165.35
  5. Step 5: Solve for x
    x = 81,294,165.35/13,403.35
  6. Step 6: Final answer
    x = 6,065.21

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1.5x scale

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.