Home / 25,189.14-37,759.10-12,671.60

Finding the Fourth Proportional to 25,189.14, 37,759.10 and 12,671.60

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Solution

The fourth proportional to 25,189.14, 37,759.10 and 12,671.60 is: 18,995.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,189.14 : 37,759.10 = 12,671.60 : x
  2. Step 2: Convert to fraction form
    25,189.14/37,759.10 = 12,671.60/x
  3. Step 3: Cross multiply
    25,189.14x = 37,759.10 × 12,671.60
  4. Step 4: Simplify right side
    25,189.14x = 478,468,211.56
  5. Step 5: Solve for x
    x = 478,468,211.56/25,189.14
  6. Step 6: Final answer
    x = 18,995.02

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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.