Home / 13,364.17-18,440.66-7,395.82

Finding the Fourth Proportional to 13,364.17, 18,440.66 and 7,395.82

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Solution

The fourth proportional to 13,364.17, 18,440.66 and 7,395.82 is: 10,205.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.17 : 18,440.66 = 7,395.82 : x
  2. Step 2: Convert to fraction form
    13,364.17/18,440.66 = 7,395.82/x
  3. Step 3: Cross multiply
    13,364.17x = 18,440.66 × 7,395.82
  4. Step 4: Simplify right side
    13,364.17x = 136,383,774.43
  5. Step 5: Solve for x
    x = 136,383,774.43/13,364.17
  6. Step 6: Final answer
    x = 10,205.18

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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.