Home / 14,179.52-21,269.28-3,791

Finding the Fourth Proportional to 14,179.52, 21,269.28 and 3,791

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Solution

The fourth proportional to 14,179.52, 21,269.28 and 3,791 is: 5,686.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.52 : 21,269.28 = 3,791 : x
  2. Step 2: Convert to fraction form
    14,179.52/21,269.28 = 3,791/x
  3. Step 3: Cross multiply
    14,179.52x = 21,269.28 × 3,791
  4. Step 4: Simplify right side
    14,179.52x = 80,631,840.48
  5. Step 5: Solve for x
    x = 80,631,840.48/14,179.52
  6. Step 6: Final answer
    x = 5,686.50

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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.