Home / 25,175.24-37,748.22-18,515.72

Finding the Fourth Proportional to 25,175.24, 37,748.22 and 18,515.72

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Solution

The fourth proportional to 25,175.24, 37,748.22 and 18,515.72 is: 27,762.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,175.24 : 37,748.22 = 18,515.72 : x
  2. Step 2: Convert to fraction form
    25,175.24/37,748.22 = 18,515.72/x
  3. Step 3: Cross multiply
    25,175.24x = 37,748.22 × 18,515.72
  4. Step 4: Simplify right side
    25,175.24x = 698,935,472.02
  5. Step 5: Solve for x
    x = 698,935,472.02/25,175.24
  6. Step 6: Final answer
    x = 27,762.81

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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.