Home / 13,440.17-20,165.83-6,773.11

Finding the Fourth Proportional to 13,440.17, 20,165.83 and 6,773.11

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Solution

The fourth proportional to 13,440.17, 20,165.83 and 6,773.11 is: 10,162.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,440.17 : 20,165.83 = 6,773.11 : x
  2. Step 2: Convert to fraction form
    13,440.17/20,165.83 = 6,773.11/x
  3. Step 3: Cross multiply
    13,440.17x = 20,165.83 × 6,773.11
  4. Step 4: Simplify right side
    13,440.17x = 136,585,317.48
  5. Step 5: Solve for x
    x = 136,585,317.48/13,440.17
  6. Step 6: Final answer
    x = 10,162.47

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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.