Home / 25,266.88-34,820.96-18,180.96

Finding the Fourth Proportional to 25,266.88, 34,820.96 and 18,180.96

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Solution

The fourth proportional to 25,266.88, 34,820.96 and 18,180.96 is: 25,055.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,266.88 : 34,820.96 = 18,180.96 : x
  2. Step 2: Convert to fraction form
    25,266.88/34,820.96 = 18,180.96/x
  3. Step 3: Cross multiply
    25,266.88x = 34,820.96 × 18,180.96
  4. Step 4: Simplify right side
    25,266.88x = 633,078,480.92
  5. Step 5: Solve for x
    x = 633,078,480.92/25,266.88
  6. Step 6: Final answer
    x = 25,055.67

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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.