Home / 13,363.48-18,441.74-7,395

Finding the Fourth Proportional to 13,363.48, 18,441.74 and 7,395

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Solution

The fourth proportional to 13,363.48, 18,441.74 and 7,395 is: 10,205.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.48 : 18,441.74 = 7,395 : x
  2. Step 2: Convert to fraction form
    13,363.48/18,441.74 = 7,395/x
  3. Step 3: Cross multiply
    13,363.48x = 18,441.74 × 7,395
  4. Step 4: Simplify right side
    13,363.48x = 136,376,667.30
  5. Step 5: Solve for x
    x = 136,376,667.30/13,363.48
  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.