Home / 13,757.04-20,620.80-10,461.96

Finding the Fourth Proportional to 13,757.04, 20,620.80 and 10,461.96

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Solution

The fourth proportional to 13,757.04, 20,620.80 and 10,461.96 is: 15,681.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,757.04 : 20,620.80 = 10,461.96 : x
  2. Step 2: Convert to fraction form
    13,757.04/20,620.80 = 10,461.96/x
  3. Step 3: Cross multiply
    13,757.04x = 20,620.80 × 10,461.96
  4. Step 4: Simplify right side
    13,757.04x = 215,733,984.77
  5. Step 5: Solve for x
    x = 215,733,984.77/13,757.04
  6. Step 6: Final answer
    x = 15,681.72

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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.