Home / 22,348.09-30,840.33-12,276.79

Finding the Fourth Proportional to 22,348.09, 30,840.33 and 12,276.79

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Solution

The fourth proportional to 22,348.09, 30,840.33 and 12,276.79 is: 16,941.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,348.09 : 30,840.33 = 12,276.79 : x
  2. Step 2: Convert to fraction form
    22,348.09/30,840.33 = 12,276.79/x
  3. Step 3: Cross multiply
    22,348.09x = 30,840.33 × 12,276.79
  4. Step 4: Simplify right side
    22,348.09x = 378,620,254.94
  5. Step 5: Solve for x
    x = 378,620,254.94/22,348.09
  6. Step 6: Final answer
    x = 16,941.95

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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.