Home / 18,567.82-25,610.70-11,490.04

Finding the Fourth Proportional to 18,567.82, 25,610.70 and 11,490.04

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Solution

The fourth proportional to 18,567.82, 25,610.70 and 11,490.04 is: 15,848.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,567.82 : 25,610.70 = 11,490.04 : x
  2. Step 2: Convert to fraction form
    18,567.82/25,610.70 = 11,490.04/x
  3. Step 3: Cross multiply
    18,567.82x = 25,610.70 × 11,490.04
  4. Step 4: Simplify right side
    18,567.82x = 294,267,967.43
  5. Step 5: Solve for x
    x = 294,267,967.43/18,567.82
  6. Step 6: Final answer
    x = 15,848.28

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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.