Home / 12,963.44-19,464.60-7,423.04

Finding the Fourth Proportional to 12,963.44, 19,464.60 and 7,423.04

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Solution

The fourth proportional to 12,963.44, 19,464.60 and 7,423.04 is: 11,145.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,963.44 : 19,464.60 = 7,423.04 : x
  2. Step 2: Convert to fraction form
    12,963.44/19,464.60 = 7,423.04/x
  3. Step 3: Cross multiply
    12,963.44x = 19,464.60 × 7,423.04
  4. Step 4: Simplify right side
    12,963.44x = 144,486,504.38
  5. Step 5: Solve for x
    x = 144,486,504.38/12,963.44
  6. Step 6: Final answer
    x = 11,145.69

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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.