Home / 25,181.80-37,740.30-12,005.80

Finding the Fourth Proportional to 25,181.80, 37,740.30 and 12,005.80

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Solution

The fourth proportional to 25,181.80, 37,740.30 and 12,005.80 is: 17,993.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,181.80 : 37,740.30 = 12,005.80 : x
  2. Step 2: Convert to fraction form
    25,181.80/37,740.30 = 12,005.80/x
  3. Step 3: Cross multiply
    25,181.80x = 37,740.30 × 12,005.80
  4. Step 4: Simplify right side
    25,181.80x = 453,102,493.74
  5. Step 5: Solve for x
    x = 453,102,493.74/25,181.80
  6. Step 6: Final answer
    x = 17,993.25

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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.