Home / 13,008.20-19,454.70-10,934.60

Finding the Fourth Proportional to 13,008.20, 19,454.70 and 10,934.60

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Solution

The fourth proportional to 13,008.20, 19,454.70 and 10,934.60 is: 16,353.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.20 : 19,454.70 = 10,934.60 : x
  2. Step 2: Convert to fraction form
    13,008.20/19,454.70 = 10,934.60/x
  3. Step 3: Cross multiply
    13,008.20x = 19,454.70 × 10,934.60
  4. Step 4: Simplify right side
    13,008.20x = 212,729,362.62
  5. Step 5: Solve for x
    x = 212,729,362.62/13,008.20
  6. Step 6: Final answer
    x = 16,353.48

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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.