Home / 14,723.90-20,318.37-8,350.92

Finding the Fourth Proportional to 14,723.90, 20,318.37 and 8,350.92

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Solution

The fourth proportional to 14,723.90, 20,318.37 and 8,350.92 is: 11,523.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,723.90 : 20,318.37 = 8,350.92 : x
  2. Step 2: Convert to fraction form
    14,723.90/20,318.37 = 8,350.92/x
  3. Step 3: Cross multiply
    14,723.90x = 20,318.37 × 8,350.92
  4. Step 4: Simplify right side
    14,723.90x = 169,677,082.40
  5. Step 5: Solve for x
    x = 169,677,082.40/14,723.90
  6. Step 6: Final answer
    x = 11,523.93

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Double scale
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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.