Home / 25,933.38-38,900.07-7,212.66

Finding the Fourth Proportional to 25,933.38, 38,900.07 and 7,212.66

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Solution

The fourth proportional to 25,933.38, 38,900.07 and 7,212.66 is: 10,818.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,933.38 : 38,900.07 = 7,212.66 : x
  2. Step 2: Convert to fraction form
    25,933.38/38,900.07 = 7,212.66/x
  3. Step 3: Cross multiply
    25,933.38x = 38,900.07 × 7,212.66
  4. Step 4: Simplify right side
    25,933.38x = 280,572,978.89
  5. Step 5: Solve for x
    x = 280,572,978.89/25,933.38
  6. Step 6: Final answer
    x = 10,818.99

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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.