Home / 13,092.20-19,614.30-6,151.40

Finding the Fourth Proportional to 13,092.20, 19,614.30 and 6,151.40

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Solution

The fourth proportional to 13,092.20, 19,614.30 and 6,151.40 is: 9,215.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092.20 : 19,614.30 = 6,151.40 : x
  2. Step 2: Convert to fraction form
    13,092.20/19,614.30 = 6,151.40/x
  3. Step 3: Cross multiply
    13,092.20x = 19,614.30 × 6,151.40
  4. Step 4: Simplify right side
    13,092.20x = 120,655,405.02
  5. Step 5: Solve for x
    x = 120,655,405.02/13,092.20
  6. Step 6: Final answer
    x = 9,215.82

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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.