Home / 22,255.08-30,713.76-12,826.68

Finding the Fourth Proportional to 22,255.08, 30,713.76 and 12,826.68

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Solution

The fourth proportional to 22,255.08, 30,713.76 and 12,826.68 is: 17,701.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,255.08 : 30,713.76 = 12,826.68 : x
  2. Step 2: Convert to fraction form
    22,255.08/30,713.76 = 12,826.68/x
  3. Step 3: Cross multiply
    22,255.08x = 30,713.76 × 12,826.68
  4. Step 4: Simplify right side
    22,255.08x = 393,955,571.12
  5. Step 5: Solve for x
    x = 393,955,571.12/22,255.08
  6. Step 6: Final answer
    x = 17,701.83

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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.