Home / 25,170.68-37,673.87-18,505.41

Finding the Fourth Proportional to 25,170.68, 37,673.87 and 18,505.41

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Solution

The fourth proportional to 25,170.68, 37,673.87 and 18,505.41 is: 27,697.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,170.68 : 37,673.87 = 18,505.41 : x
  2. Step 2: Convert to fraction form
    25,170.68/37,673.87 = 18,505.41/x
  3. Step 3: Cross multiply
    25,170.68x = 37,673.87 × 18,505.41
  4. Step 4: Simplify right side
    25,170.68x = 697,170,318.11
  5. Step 5: Solve for x
    x = 697,170,318.11/25,170.68
  6. Step 6: Final answer
    x = 27,697.72

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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.