Home / 13,496.40-18,625.04-7,446.50

Finding the Fourth Proportional to 13,496.40, 18,625.04 and 7,446.50

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Solution

The fourth proportional to 13,496.40, 18,625.04 and 7,446.50 is: 10,276.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496.40 : 18,625.04 = 7,446.50 : x
  2. Step 2: Convert to fraction form
    13,496.40/18,625.04 = 7,446.50/x
  3. Step 3: Cross multiply
    13,496.40x = 18,625.04 × 7,446.50
  4. Step 4: Simplify right side
    13,496.40x = 138,691,360.36
  5. Step 5: Solve for x
    x = 138,691,360.36/13,496.40
  6. Step 6: Final answer
    x = 10,276.17

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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.