Home / 13,817.96-20,709.60-10,884.68

Finding the Fourth Proportional to 13,817.96, 20,709.60 and 10,884.68

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Solution

The fourth proportional to 13,817.96, 20,709.60 and 10,884.68 is: 16,313.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,817.96 : 20,709.60 = 10,884.68 : x
  2. Step 2: Convert to fraction form
    13,817.96/20,709.60 = 10,884.68/x
  3. Step 3: Cross multiply
    13,817.96x = 20,709.60 × 10,884.68
  4. Step 4: Simplify right side
    13,817.96x = 225,417,368.93
  5. Step 5: Solve for x
    x = 225,417,368.93/13,817.96
  6. Step 6: Final answer
    x = 16,313.36

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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.