Home / 14,670.59-20,245.06-8,382.56

Finding the Fourth Proportional to 14,670.59, 20,245.06 and 8,382.56

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Solution

The fourth proportional to 14,670.59, 20,245.06 and 8,382.56 is: 11,567.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,670.59 : 20,245.06 = 8,382.56 : x
  2. Step 2: Convert to fraction form
    14,670.59/20,245.06 = 8,382.56/x
  3. Step 3: Cross multiply
    14,670.59x = 20,245.06 × 8,382.56
  4. Step 4: Simplify right side
    14,670.59x = 169,705,459.81
  5. Step 5: Solve for x
    x = 169,705,459.81/14,670.59
  6. Step 6: Final answer
    x = 11,567.73

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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.