Home / 20,022.95-27,611.12-12,063.69

Finding the Fourth Proportional to 20,022.95, 27,611.12 and 12,063.69

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Solution

The fourth proportional to 20,022.95, 27,611.12 and 12,063.69 is: 16,635.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022.95 : 27,611.12 = 12,063.69 : x
  2. Step 2: Convert to fraction form
    20,022.95/27,611.12 = 12,063.69/x
  3. Step 3: Cross multiply
    20,022.95x = 27,611.12 × 12,063.69
  4. Step 4: Simplify right side
    20,022.95x = 333,091,931.91
  5. Step 5: Solve for x
    x = 333,091,931.91/20,022.95
  6. Step 6: Final answer
    x = 16,635.51

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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.