Home / 18,564.96-27,838.80-6,877.92

Finding the Fourth Proportional to 18,564.96, 27,838.80 and 6,877.92

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Solution

The fourth proportional to 18,564.96, 27,838.80 and 6,877.92 is: 10,313.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,564.96 : 27,838.80 = 6,877.92 : x
  2. Step 2: Convert to fraction form
    18,564.96/27,838.80 = 6,877.92/x
  3. Step 3: Cross multiply
    18,564.96x = 27,838.80 × 6,877.92
  4. Step 4: Simplify right side
    18,564.96x = 191,473,039.30
  5. Step 5: Solve for x
    x = 191,473,039.30/18,564.96
  6. Step 6: Final answer
    x = 10,313.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.