Home / 18,740.34-25,861.14-10,776.96

Finding the Fourth Proportional to 18,740.34, 25,861.14 and 10,776.96

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Solution

The fourth proportional to 18,740.34, 25,861.14 and 10,776.96 is: 14,871.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,740.34 : 25,861.14 = 10,776.96 : x
  2. Step 2: Convert to fraction form
    18,740.34/25,861.14 = 10,776.96/x
  3. Step 3: Cross multiply
    18,740.34x = 25,861.14 × 10,776.96
  4. Step 4: Simplify right side
    18,740.34x = 278,704,471.33
  5. Step 5: Solve for x
    x = 278,704,471.33/18,740.34
  6. Step 6: Final answer
    x = 14,871.90

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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.