Home / 13,964.54-19,248.57-11,442.20

Finding the Fourth Proportional to 13,964.54, 19,248.57 and 11,442.20

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Solution

The fourth proportional to 13,964.54, 19,248.57 and 11,442.20 is: 15,771.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964.54 : 19,248.57 = 11,442.20 : x
  2. Step 2: Convert to fraction form
    13,964.54/19,248.57 = 11,442.20/x
  3. Step 3: Cross multiply
    13,964.54x = 19,248.57 × 11,442.20
  4. Step 4: Simplify right side
    13,964.54x = 220,245,891.41
  5. Step 5: Solve for x
    x = 220,245,891.41/13,964.54
  6. Step 6: Final answer
    x = 15,771.80

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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.