Home / 13,370.50-18,410.08-11,875.82

Finding the Fourth Proportional to 13,370.50, 18,410.08 and 11,875.82

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Solution

The fourth proportional to 13,370.50, 18,410.08 and 11,875.82 is: 16,352.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.50 : 18,410.08 = 11,875.82 : x
  2. Step 2: Convert to fraction form
    13,370.50/18,410.08 = 11,875.82/x
  3. Step 3: Cross multiply
    13,370.50x = 18,410.08 × 11,875.82
  4. Step 4: Simplify right side
    13,370.50x = 218,634,796.27
  5. Step 5: Solve for x
    x = 218,634,796.27/13,370.50
  6. Step 6: Final answer
    x = 16,352.03

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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.