Home / 25,074.15-37,581.99-18,438.81

Finding the Fourth Proportional to 25,074.15, 37,581.99 and 18,438.81

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Solution

The fourth proportional to 25,074.15, 37,581.99 and 18,438.81 is: 27,636.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,074.15 : 37,581.99 = 18,438.81 : x
  2. Step 2: Convert to fraction form
    25,074.15/37,581.99 = 18,438.81/x
  3. Step 3: Cross multiply
    25,074.15x = 37,581.99 × 18,438.81
  4. Step 4: Simplify right side
    25,074.15x = 692,967,173.03
  5. Step 5: Solve for x
    x = 692,967,173.03/25,074.15
  6. Step 6: Final answer
    x = 27,636.72

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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.