Home / 25,180.74-37,771.29-7,650.78

Finding the Fourth Proportional to 25,180.74, 37,771.29 and 7,650.78

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Solution

The fourth proportional to 25,180.74, 37,771.29 and 7,650.78 is: 11,476.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,180.74 : 37,771.29 = 7,650.78 : x
  2. Step 2: Convert to fraction form
    25,180.74/37,771.29 = 7,650.78/x
  3. Step 3: Cross multiply
    25,180.74x = 37,771.29 × 7,650.78
  4. Step 4: Simplify right side
    25,180.74x = 288,979,830.11
  5. Step 5: Solve for x
    x = 288,979,830.11/25,180.74
  6. Step 6: Final answer
    x = 11,476.22

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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.