Home / 18,524.52-25,567.56-12,871.08

Finding the Fourth Proportional to 18,524.52, 25,567.56 and 12,871.08

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Solution

The fourth proportional to 18,524.52, 25,567.56 and 12,871.08 is: 17,764.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,524.52 : 25,567.56 = 12,871.08 : x
  2. Step 2: Convert to fraction form
    18,524.52/25,567.56 = 12,871.08/x
  3. Step 3: Cross multiply
    18,524.52x = 25,567.56 × 12,871.08
  4. Step 4: Simplify right side
    18,524.52x = 329,082,110.16
  5. Step 5: Solve for x
    x = 329,082,110.16/18,524.52
  6. Step 6: Final answer
    x = 17,764.68

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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.