Home / 13,554.96-20,336.40-6,165.36

Finding the Fourth Proportional to 13,554.96, 20,336.40 and 6,165.36

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Solution

The fourth proportional to 13,554.96, 20,336.40 and 6,165.36 is: 9,249.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554.96 : 20,336.40 = 6,165.36 : x
  2. Step 2: Convert to fraction form
    13,554.96/20,336.40 = 6,165.36/x
  3. Step 3: Cross multiply
    13,554.96x = 20,336.40 × 6,165.36
  4. Step 4: Simplify right side
    13,554.96x = 125,381,227.10
  5. Step 5: Solve for x
    x = 125,381,227.10/13,554.96
  6. Step 6: Final answer
    x = 9,249.84

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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.