Home / 25,401.67-38,105.03-10,615.21

Finding the Fourth Proportional to 25,401.67, 38,105.03 and 10,615.21

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Solution

The fourth proportional to 25,401.67, 38,105.03 and 10,615.21 is: 15,923.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,401.67 : 38,105.03 = 10,615.21 : x
  2. Step 2: Convert to fraction form
    25,401.67/38,105.03 = 10,615.21/x
  3. Step 3: Cross multiply
    25,401.67x = 38,105.03 × 10,615.21
  4. Step 4: Simplify right side
    25,401.67x = 404,492,895.51
  5. Step 5: Solve for x
    x = 404,492,895.51/25,401.67
  6. Step 6: Final answer
    x = 15,923.87

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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.