Home / 18,113.32-27,167.67-7,012.41

Finding the Fourth Proportional to 18,113.32, 27,167.67 and 7,012.41

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Solution

The fourth proportional to 18,113.32, 27,167.67 and 7,012.41 is: 10,517.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,113.32 : 27,167.67 = 7,012.41 : x
  2. Step 2: Convert to fraction form
    18,113.32/27,167.67 = 7,012.41/x
  3. Step 3: Cross multiply
    18,113.32x = 27,167.67 × 7,012.41
  4. Step 4: Simplify right side
    18,113.32x = 190,510,840.78
  5. Step 5: Solve for x
    x = 190,510,840.78/18,113.32
  6. Step 6: Final answer
    x = 10,517.72

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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.