Home / 15,221.95-22,833.42-4,128.61

Finding the Fourth Proportional to 15,221.95, 22,833.42 and 4,128.61

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Solution

The fourth proportional to 15,221.95, 22,833.42 and 4,128.61 is: 6,193.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,221.95 : 22,833.42 = 4,128.61 : x
  2. Step 2: Convert to fraction form
    15,221.95/22,833.42 = 4,128.61/x
  3. Step 3: Cross multiply
    15,221.95x = 22,833.42 × 4,128.61
  4. Step 4: Simplify right side
    15,221.95x = 94,270,286.15
  5. Step 5: Solve for x
    x = 94,270,286.15/15,221.95
  6. Step 6: Final answer
    x = 6,193.05

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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.