Home / 18,667.62-25,760.34-10,712.52

Finding the Fourth Proportional to 18,667.62, 25,760.34 and 10,712.52

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Solution

The fourth proportional to 18,667.62, 25,760.34 and 10,712.52 is: 14,782.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,667.62 : 25,760.34 = 10,712.52 : x
  2. Step 2: Convert to fraction form
    18,667.62/25,760.34 = 10,712.52/x
  3. Step 3: Cross multiply
    18,667.62x = 25,760.34 × 10,712.52
  4. Step 4: Simplify right side
    18,667.62x = 275,958,157.46
  5. Step 5: Solve for x
    x = 275,958,157.46/18,667.62
  6. Step 6: Final answer
    x = 14,782.72

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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.