Home / 12,962.94-19,463.85-7,422.54

Finding the Fourth Proportional to 12,962.94, 19,463.85 and 7,422.54

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Solution

The fourth proportional to 12,962.94, 19,463.85 and 7,422.54 is: 11,144.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,962.94 : 19,463.85 = 7,422.54 : x
  2. Step 2: Convert to fraction form
    12,962.94/19,463.85 = 7,422.54/x
  3. Step 3: Cross multiply
    12,962.94x = 19,463.85 × 7,422.54
  4. Step 4: Simplify right side
    12,962.94x = 144,471,205.18
  5. Step 5: Solve for x
    x = 144,471,205.18/12,962.94
  6. Step 6: Final answer
    x = 11,144.94

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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.