Home / 18,361.01-25,337.89-10,806.45

Finding the Fourth Proportional to 18,361.01, 25,337.89 and 10,806.45

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Solution

The fourth proportional to 18,361.01, 25,337.89 and 10,806.45 is: 14,912.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361.01 : 25,337.89 = 10,806.45 : x
  2. Step 2: Convert to fraction form
    18,361.01/25,337.89 = 10,806.45/x
  3. Step 3: Cross multiply
    18,361.01x = 25,337.89 × 10,806.45
  4. Step 4: Simplify right side
    18,361.01x = 273,812,641.39
  5. Step 5: Solve for x
    x = 273,812,641.39/18,361.01
  6. Step 6: Final answer
    x = 14,912.72

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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.