Home / 18,361.41-25,353.04-14,105.76

Finding the Fourth Proportional to 18,361.41, 25,353.04 and 14,105.76

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Solution

The fourth proportional to 18,361.41, 25,353.04 and 14,105.76 is: 19,476.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361.41 : 25,353.04 = 14,105.76 : x
  2. Step 2: Convert to fraction form
    18,361.41/25,353.04 = 14,105.76/x
  3. Step 3: Cross multiply
    18,361.41x = 25,353.04 × 14,105.76
  4. Step 4: Simplify right side
    18,361.41x = 357,623,862.25
  5. Step 5: Solve for x
    x = 357,623,862.25/18,361.41
  6. Step 6: Final answer
    x = 19,476.93

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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.