Home / 28,066.44-42,080.22-12,475.56

Finding the Fourth Proportional to 28,066.44, 42,080.22 and 12,475.56

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Solution

The fourth proportional to 28,066.44, 42,080.22 and 12,475.56 is: 18,704.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,066.44 : 42,080.22 = 12,475.56 : x
  2. Step 2: Convert to fraction form
    28,066.44/42,080.22 = 12,475.56/x
  3. Step 3: Cross multiply
    28,066.44x = 42,080.22 × 12,475.56
  4. Step 4: Simplify right side
    28,066.44x = 524,974,309.42
  5. Step 5: Solve for x
    x = 524,974,309.42/28,066.44
  6. Step 6: Final answer
    x = 18,704.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.