Home / 14,116.55-21,169.45-4,754.06

Finding the Fourth Proportional to 14,116.55, 21,169.45 and 4,754.06

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Solution

The fourth proportional to 14,116.55, 21,169.45 and 4,754.06 is: 7,129.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116.55 : 21,169.45 = 4,754.06 : x
  2. Step 2: Convert to fraction form
    14,116.55/21,169.45 = 4,754.06/x
  3. Step 3: Cross multiply
    14,116.55x = 21,169.45 × 4,754.06
  4. Step 4: Simplify right side
    14,116.55x = 100,640,705.85
  5. Step 5: Solve for x
    x = 100,640,705.85/14,116.55
  6. Step 6: Final answer
    x = 7,129.27

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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.