Home / 19,076.49-28,602.89-7,969.57

Finding the Fourth Proportional to 19,076.49, 28,602.89 and 7,969.57

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Solution

The fourth proportional to 19,076.49, 28,602.89 and 7,969.57 is: 11,949.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,076.49 : 28,602.89 = 7,969.57 : x
  2. Step 2: Convert to fraction form
    19,076.49/28,602.89 = 7,969.57/x
  3. Step 3: Cross multiply
    19,076.49x = 28,602.89 × 7,969.57
  4. Step 4: Simplify right side
    19,076.49x = 227,952,622.70
  5. Step 5: Solve for x
    x = 227,952,622.70/19,076.49
  6. Step 6: Final answer
    x = 11,949.40

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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.