Home / 13,680.48-20,525.04-5,892.96

Finding the Fourth Proportional to 13,680.48, 20,525.04 and 5,892.96

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Solution

The fourth proportional to 13,680.48, 20,525.04 and 5,892.96 is: 8,841.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,680.48 : 20,525.04 = 5,892.96 : x
  2. Step 2: Convert to fraction form
    13,680.48/20,525.04 = 5,892.96/x
  3. Step 3: Cross multiply
    13,680.48x = 20,525.04 × 5,892.96
  4. Step 4: Simplify right side
    13,680.48x = 120,953,239.72
  5. Step 5: Solve for x
    x = 120,953,239.72/13,680.48
  6. Step 6: Final answer
    x = 8,841.30

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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.