Home / 13,977.42-20,966.40-6,079.98

Finding the Fourth Proportional to 13,977.42, 20,966.40 and 6,079.98

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Solution

The fourth proportional to 13,977.42, 20,966.40 and 6,079.98 is: 9,120.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,977.42 : 20,966.40 = 6,079.98 : x
  2. Step 2: Convert to fraction form
    13,977.42/20,966.40 = 6,079.98/x
  3. Step 3: Cross multiply
    13,977.42x = 20,966.40 × 6,079.98
  4. Step 4: Simplify right side
    13,977.42x = 127,475,292.67
  5. Step 5: Solve for x
    x = 127,475,292.67/13,977.42
  6. Step 6: Final answer
    x = 9,120.09

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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.