Home / 18,773.04-25,906.84-10,389.60

Finding the Fourth Proportional to 18,773.04, 25,906.84 and 10,389.60

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Solution

The fourth proportional to 18,773.04, 25,906.84 and 10,389.60 is: 14,337.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,773.04 : 25,906.84 = 10,389.60 : x
  2. Step 2: Convert to fraction form
    18,773.04/25,906.84 = 10,389.60/x
  3. Step 3: Cross multiply
    18,773.04x = 25,906.84 × 10,389.60
  4. Step 4: Simplify right side
    18,773.04x = 269,161,704.86
  5. Step 5: Solve for x
    x = 269,161,704.86/18,773.04
  6. Step 6: Final answer
    x = 14,337.67

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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.