Home / 14,273.07-21,420.12-6,776.66

Finding the Fourth Proportional to 14,273.07, 21,420.12 and 6,776.66

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Solution

The fourth proportional to 14,273.07, 21,420.12 and 6,776.66 is: 10,169.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,273.07 : 21,420.12 = 6,776.66 : x
  2. Step 2: Convert to fraction form
    14,273.07/21,420.12 = 6,776.66/x
  3. Step 3: Cross multiply
    14,273.07x = 21,420.12 × 6,776.66
  4. Step 4: Simplify right side
    14,273.07x = 145,156,763.30
  5. Step 5: Solve for x
    x = 145,156,763.30/14,273.07
  6. Step 6: Final answer
    x = 10,169.97

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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.