Home / 25,729.14-35,472.18-18,553.05

Finding the Fourth Proportional to 25,729.14, 35,472.18 and 18,553.05

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Solution

The fourth proportional to 25,729.14, 35,472.18 and 18,553.05 is: 25,578.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,729.14 : 35,472.18 = 18,553.05 : x
  2. Step 2: Convert to fraction form
    25,729.14/35,472.18 = 18,553.05/x
  3. Step 3: Cross multiply
    25,729.14x = 35,472.18 × 18,553.05
  4. Step 4: Simplify right side
    25,729.14x = 658,117,129.15
  5. Step 5: Solve for x
    x = 658,117,129.15/25,729.14
  6. Step 6: Final answer
    x = 25,578.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.