Home / 14,113.57-21,171.38-4,253.61

Finding the Fourth Proportional to 14,113.57, 21,171.38 and 4,253.61

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Solution

The fourth proportional to 14,113.57, 21,171.38 and 4,253.61 is: 6,380.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.57 : 21,171.38 = 4,253.61 : x
  2. Step 2: Convert to fraction form
    14,113.57/21,171.38 = 4,253.61/x
  3. Step 3: Cross multiply
    14,113.57x = 21,171.38 × 4,253.61
  4. Step 4: Simplify right side
    14,113.57x = 90,054,851.81
  5. Step 5: Solve for x
    x = 90,054,851.81/14,113.57
  6. Step 6: Final answer
    x = 6,380.73

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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.