Home / 14,833.95-20,470.35-8,119.44

Finding the Fourth Proportional to 14,833.95, 20,470.35 and 8,119.44

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Solution

The fourth proportional to 14,833.95, 20,470.35 and 8,119.44 is: 11,204.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,833.95 : 20,470.35 = 8,119.44 : x
  2. Step 2: Convert to fraction form
    14,833.95/20,470.35 = 8,119.44/x
  3. Step 3: Cross multiply
    14,833.95x = 20,470.35 × 8,119.44
  4. Step 4: Simplify right side
    14,833.95x = 166,207,778.60
  5. Step 5: Solve for x
    x = 166,207,778.60/14,833.95
  6. Step 6: Final answer
    x = 11,204.55

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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.