Home / 14,150.90-21,193.98-6,760.55

Finding the Fourth Proportional to 14,150.90, 21,193.98 and 6,760.55

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Solution

The fourth proportional to 14,150.90, 21,193.98 and 6,760.55 is: 10,125.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.90 : 21,193.98 = 6,760.55 : x
  2. Step 2: Convert to fraction form
    14,150.90/21,193.98 = 6,760.55/x
  3. Step 3: Cross multiply
    14,150.90x = 21,193.98 × 6,760.55
  4. Step 4: Simplify right side
    14,150.90x = 143,282,855.52
  5. Step 5: Solve for x
    x = 143,282,855.52/14,150.90
  6. Step 6: Final answer
    x = 10,125.36

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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.