Home / 25,174.45-34,742.55-15,102.64

Finding the Fourth Proportional to 25,174.45, 34,742.55 and 15,102.64

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Solution

The fourth proportional to 25,174.45, 34,742.55 and 15,102.64 is: 20,842.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,174.45 : 34,742.55 = 15,102.64 : x
  2. Step 2: Convert to fraction form
    25,174.45/34,742.55 = 15,102.64/x
  3. Step 3: Cross multiply
    25,174.45x = 34,742.55 × 15,102.64
  4. Step 4: Simplify right side
    25,174.45x = 524,704,225.33
  5. Step 5: Solve for x
    x = 524,704,225.33/25,174.45
  6. Step 6: Final answer
    x = 20,842.73

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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.