Home / 22,065.76-30,444.60-12,633.76

Finding the Fourth Proportional to 22,065.76, 30,444.60 and 12,633.76

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Solution

The fourth proportional to 22,065.76, 30,444.60 and 12,633.76 is: 17,431.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,065.76 : 30,444.60 = 12,633.76 : x
  2. Step 2: Convert to fraction form
    22,065.76/30,444.60 = 12,633.76/x
  3. Step 3: Cross multiply
    22,065.76x = 30,444.60 × 12,633.76
  4. Step 4: Simplify right side
    22,065.76x = 384,629,769.70
  5. Step 5: Solve for x
    x = 384,629,769.70/22,065.76
  6. Step 6: Final answer
    x = 17,431.07

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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.