Home / 14,158.66-21,243.84-7,134.92

Finding the Fourth Proportional to 14,158.66, 21,243.84 and 7,134.92

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Solution

The fourth proportional to 14,158.66, 21,243.84 and 7,134.92 is: 10,705.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,158.66 : 21,243.84 = 7,134.92 : x
  2. Step 2: Convert to fraction form
    14,158.66/21,243.84 = 7,134.92/x
  3. Step 3: Cross multiply
    14,158.66x = 21,243.84 × 7,134.92
  4. Step 4: Simplify right side
    14,158.66x = 151,573,098.89
  5. Step 5: Solve for x
    x = 151,573,098.89/14,158.66
  6. Step 6: Final answer
    x = 10,705.33

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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.