Home / 13,677.93-18,875.79-8,016.75

Finding the Fourth Proportional to 13,677.93, 18,875.79 and 8,016.75

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Solution

The fourth proportional to 13,677.93, 18,875.79 and 8,016.75 is: 11,063.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,677.93 : 18,875.79 = 8,016.75 : x
  2. Step 2: Convert to fraction form
    13,677.93/18,875.79 = 8,016.75/x
  3. Step 3: Cross multiply
    13,677.93x = 18,875.79 × 8,016.75
  4. Step 4: Simplify right side
    13,677.93x = 151,322,489.48
  5. Step 5: Solve for x
    x = 151,322,489.48/13,677.93
  6. Step 6: Final answer
    x = 11,063.26

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1.5x scale

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.