Home / 12,964.23-19,445.67-7,414.02

Finding the Fourth Proportional to 12,964.23, 19,445.67 and 7,414.02

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Solution

The fourth proportional to 12,964.23, 19,445.67 and 7,414.02 is: 11,120.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,964.23 : 19,445.67 = 7,414.02 : x
  2. Step 2: Convert to fraction form
    12,964.23/19,445.67 = 7,414.02/x
  3. Step 3: Cross multiply
    12,964.23x = 19,445.67 × 7,414.02
  4. Step 4: Simplify right side
    12,964.23x = 144,170,586.29
  5. Step 5: Solve for x
    x = 144,170,586.29/12,964.23
  6. Step 6: Final answer
    x = 11,120.64

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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.