Home / 18,328.04-25,286.90-10,771.96

Finding the Fourth Proportional to 18,328.04, 25,286.90 and 10,771.96

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Solution

The fourth proportional to 18,328.04, 25,286.90 and 10,771.96 is: 14,861.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328.04 : 25,286.90 = 10,771.96 : x
  2. Step 2: Convert to fraction form
    18,328.04/25,286.90 = 10,771.96/x
  3. Step 3: Cross multiply
    18,328.04x = 25,286.90 × 10,771.96
  4. Step 4: Simplify right side
    18,328.04x = 272,389,475.32
  5. Step 5: Solve for x
    x = 272,389,475.32/18,328.04
  6. Step 6: Final answer
    x = 14,861.90

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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.