Home / 25,005.08-37,474.82-18,400.34

Finding the Fourth Proportional to 25,005.08, 37,474.82 and 18,400.34

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Solution

The fourth proportional to 25,005.08, 37,474.82 and 18,400.34 is: 27,576.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,005.08 : 37,474.82 = 18,400.34 : x
  2. Step 2: Convert to fraction form
    25,005.08/37,474.82 = 18,400.34/x
  3. Step 3: Cross multiply
    25,005.08x = 37,474.82 × 18,400.34
  4. Step 4: Simplify right side
    25,005.08x = 689,549,429.44
  5. Step 5: Solve for x
    x = 689,549,429.44/25,005.08
  6. Step 6: Final answer
    x = 27,576.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.