Home / 18,722.18-25,840.94-10,769.00

Finding the Fourth Proportional to 18,722.18, 25,840.94 and 10,769.00

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Solution

The fourth proportional to 18,722.18, 25,840.94 and 10,769.00 is: 14,863.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722.18 : 25,840.94 = 10,769.00 : x
  2. Step 2: Convert to fraction form
    18,722.18/25,840.94 = 10,769.00/x
  3. Step 3: Cross multiply
    18,722.18x = 25,840.94 × 10,769.00
  4. Step 4: Simplify right side
    18,722.18x = 278,280,899.81
  5. Step 5: Solve for x
    x = 278,280,899.81/18,722.18
  6. Step 6: Final answer
    x = 14,863.71

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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.