Home / 14,532.60-20,054.31-8,072.66

Finding the Fourth Proportional to 14,532.60, 20,054.31 and 8,072.66

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Solution

The fourth proportional to 14,532.60, 20,054.31 and 8,072.66 is: 11,139.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,532.60 : 20,054.31 = 8,072.66 : x
  2. Step 2: Convert to fraction form
    14,532.60/20,054.31 = 8,072.66/x
  3. Step 3: Cross multiply
    14,532.60x = 20,054.31 × 8,072.66
  4. Step 4: Simplify right side
    14,532.60x = 161,891,485.53
  5. Step 5: Solve for x
    x = 161,891,485.53/14,532.60
  6. Step 6: Final answer
    x = 11,139.88

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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.