Home / 13,385.13-20,080.57-4,024.37

Finding the Fourth Proportional to 13,385.13, 20,080.57 and 4,024.37

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Solution

The fourth proportional to 13,385.13, 20,080.57 and 4,024.37 is: 6,037.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,385.13 : 20,080.57 = 4,024.37 : x
  2. Step 2: Convert to fraction form
    13,385.13/20,080.57 = 4,024.37/x
  3. Step 3: Cross multiply
    13,385.13x = 20,080.57 × 4,024.37
  4. Step 4: Simplify right side
    13,385.13x = 80,811,643.49
  5. Step 5: Solve for x
    x = 80,811,643.49/13,385.13
  6. Step 6: Final answer
    x = 6,037.42

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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.