Home / 13,306.52-18,363.22-8,000.30

Finding the Fourth Proportional to 13,306.52, 18,363.22 and 8,000.30

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Solution

The fourth proportional to 13,306.52, 18,363.22 and 8,000.30 is: 11,040.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.52 : 18,363.22 = 8,000.30 : x
  2. Step 2: Convert to fraction form
    13,306.52/18,363.22 = 8,000.30/x
  3. Step 3: Cross multiply
    13,306.52x = 18,363.22 × 8,000.30
  4. Step 4: Simplify right side
    13,306.52x = 146,911,268.97
  5. Step 5: Solve for x
    x = 146,911,268.97/13,306.52
  6. Step 6: Final answer
    x = 11,040.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.