Home / 14,151.16-21,220.62-7,126.84

Finding the Fourth Proportional to 14,151.16, 21,220.62 and 7,126.84

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Solution

The fourth proportional to 14,151.16, 21,220.62 and 7,126.84 is: 10,687.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,151.16 : 21,220.62 = 7,126.84 : x
  2. Step 2: Convert to fraction form
    14,151.16/21,220.62 = 7,126.84/x
  3. Step 3: Cross multiply
    14,151.16x = 21,220.62 × 7,126.84
  4. Step 4: Simplify right side
    14,151.16x = 151,235,963.44
  5. Step 5: Solve for x
    x = 151,235,963.44/14,151.16
  6. Step 6: Final answer
    x = 10,687.18

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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.