Home / 18,606.06-25,667.88-12,954.69

Finding the Fourth Proportional to 18,606.06, 25,667.88 and 12,954.69

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Solution

The fourth proportional to 18,606.06, 25,667.88 and 12,954.69 is: 17,871.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,606.06 : 25,667.88 = 12,954.69 : x
  2. Step 2: Convert to fraction form
    18,606.06/25,667.88 = 12,954.69/x
  3. Step 3: Cross multiply
    18,606.06x = 25,667.88 × 12,954.69
  4. Step 4: Simplify right side
    18,606.06x = 332,519,428.36
  5. Step 5: Solve for x
    x = 332,519,428.36/18,606.06
  6. Step 6: Final answer
    x = 17,871.57

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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.