Home / 13,372.36-18,454.06-7,322.50

Finding the Fourth Proportional to 13,372.36, 18,454.06 and 7,322.50

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Solution

The fourth proportional to 13,372.36, 18,454.06 and 7,322.50 is: 10,105.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372.36 : 18,454.06 = 7,322.50 : x
  2. Step 2: Convert to fraction form
    13,372.36/18,454.06 = 7,322.50/x
  3. Step 3: Cross multiply
    13,372.36x = 18,454.06 × 7,322.50
  4. Step 4: Simplify right side
    13,372.36x = 135,129,854.35
  5. Step 5: Solve for x
    x = 135,129,854.35/13,372.36
  6. Step 6: Final answer
    x = 10,105.16

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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.