Home / 18,667.74-25,771.37-14,409.64

Finding the Fourth Proportional to 18,667.74, 25,771.37 and 14,409.64

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Solution

The fourth proportional to 18,667.74, 25,771.37 and 14,409.64 is: 19,892.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,667.74 : 25,771.37 = 14,409.64 : x
  2. Step 2: Convert to fraction form
    18,667.74/25,771.37 = 14,409.64/x
  3. Step 3: Cross multiply
    18,667.74x = 25,771.37 × 14,409.64
  4. Step 4: Simplify right side
    18,667.74x = 371,356,164.01
  5. Step 5: Solve for x
    x = 371,356,164.01/18,667.74
  6. Step 6: Final answer
    x = 19,892.94

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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.