Home / 14,474.28-19,962.18-11,125.20

Finding the Fourth Proportional to 14,474.28, 19,962.18 and 11,125.20

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Solution

The fourth proportional to 14,474.28, 19,962.18 and 11,125.20 is: 15,343.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,474.28 : 19,962.18 = 11,125.20 : x
  2. Step 2: Convert to fraction form
    14,474.28/19,962.18 = 11,125.20/x
  3. Step 3: Cross multiply
    14,474.28x = 19,962.18 × 11,125.20
  4. Step 4: Simplify right side
    14,474.28x = 222,083,244.94
  5. Step 5: Solve for x
    x = 222,083,244.94/14,474.28
  6. Step 6: Final answer
    x = 15,343.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.