Home / 13,063.20-18,025.44-7,757.04

Finding the Fourth Proportional to 13,063.20, 18,025.44 and 7,757.04

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Solution

The fourth proportional to 13,063.20, 18,025.44 and 7,757.04 is: 10,703.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,063.20 : 18,025.44 = 7,757.04 : x
  2. Step 2: Convert to fraction form
    13,063.20/18,025.44 = 7,757.04/x
  3. Step 3: Cross multiply
    13,063.20x = 18,025.44 × 7,757.04
  4. Step 4: Simplify right side
    13,063.20x = 139,824,059.10
  5. Step 5: Solve for x
    x = 139,824,059.10/13,063.20
  6. Step 6: Final answer
    x = 10,703.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.