Home / 13,740.77-20,595.22-6,329.66

Finding the Fourth Proportional to 13,740.77, 20,595.22 and 6,329.66

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Solution

The fourth proportional to 13,740.77, 20,595.22 and 6,329.66 is: 9,487.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,740.77 : 20,595.22 = 6,329.66 : x
  2. Step 2: Convert to fraction form
    13,740.77/20,595.22 = 6,329.66/x
  3. Step 3: Cross multiply
    13,740.77x = 20,595.22 × 6,329.66
  4. Step 4: Simplify right side
    13,740.77x = 130,360,654.84
  5. Step 5: Solve for x
    x = 130,360,654.84/13,740.77
  6. Step 6: Final answer
    x = 9,487.15

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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.