Home / 13,244.28-19,872.08-4,930.44

Finding the Fourth Proportional to 13,244.28, 19,872.08 and 4,930.44

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Solution

The fourth proportional to 13,244.28, 19,872.08 and 4,930.44 is: 7,397.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.28 : 19,872.08 = 4,930.44 : x
  2. Step 2: Convert to fraction form
    13,244.28/19,872.08 = 4,930.44/x
  3. Step 3: Cross multiply
    13,244.28x = 19,872.08 × 4,930.44
  4. Step 4: Simplify right side
    13,244.28x = 97,978,098.12
  5. Step 5: Solve for x
    x = 97,978,098.12/13,244.28
  6. Step 6: Final answer
    x = 7,397.77

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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.