Home / 22,002.56-30,352.80-12,568.64

Finding the Fourth Proportional to 22,002.56, 30,352.80 and 12,568.64

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Solution

The fourth proportional to 22,002.56, 30,352.80 and 12,568.64 is: 17,338.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,002.56 : 30,352.80 = 12,568.64 : x
  2. Step 2: Convert to fraction form
    22,002.56/30,352.80 = 12,568.64/x
  3. Step 3: Cross multiply
    22,002.56x = 30,352.80 × 12,568.64
  4. Step 4: Simplify right side
    22,002.56x = 381,493,416.19
  5. Step 5: Solve for x
    x = 381,493,416.19/22,002.56
  6. Step 6: Final answer
    x = 17,338.59

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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.